UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington D. C. 20549


                                     FORM 8-K

                                  CURRENT REPORT
      Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

       Date of Report (Date of earliest event reported):  October 25, 2004

                    BANC OF AMERICA MORTGAGE SECURITIES, INC.
             Mortgage Pass-Through Certificates, Series 2004-B Trust
              (Exact name of registrant as specified in its charter)

New York (governing law of            333-105940-24       54-2144736
Pooling and Servicing Agreement)      (Commission         54-2144737
(State or other                       File Number)        IRS EIN
jurisdiction
of Incorporation)



       c/o Wells Fargo Bank, N.A.
       9062 Old Annapolis Road
       Columbia, MD                                         21045
       (Address of principal executive offices)             (Zip Code)

       Registrant's telephone number, including area code:  (410) 884-2000

       (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any
of the following provisions (see General Instruction A.2. below):

[ ] Written communications pursuant to Rule 425 under the Securities Act
    (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act
    (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the
    Exchange Act(17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
    Exchange Act(17 CFR 240.13e-4(c))


ITEM 8.01  Other Events

 On October 25, 2004 a distribution was made to holders of BANC OF AMERICA
 MORTGAGE SECURITIES, INC., Mortgage Pass-Through Certificates, Series 2004-B
 Trust.


ITEM 9.01  Financial Statements and Exhibits

      (c)  Exhibits


           Exhibit Number               Description
           EX-99.1                      Monthly report distributed to holders of
                                        Mortgage Pass-Through Certificates,
                                        Series 2004-B Trust, relating to the
                                        October 25, 2004 distribution.



Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.




                    BANC OF AMERICA MORTGAGE SECURITIES, INC.
             Mortgage Pass-Through Certificates, Series 2004-B Trust
                                   (Registrant)

              By:    Wells Fargo Bank, N.A. as Trustee
              By:   /s/   Beth Belfield as Assistant Vice President
              By:    Beth Belfield as Assistant Vice President

              Date:  10/25/2004

                                INDEX TO EXHIBITS

Exhibit Number            Description
EX-99.1                   Monthly report distributed to holders of Mortgage
                          Pass-Through Certificates, Series 2004-B Trust,
                          relating to the October 25, 2004 distribution.




                   EX-99.1



Banc of America Mortgage Securities, Inc.
Mortgage Pass-Through Certificates



Record Date:             9/30/2004
Distribution Date:       10/25/2004


BAM  Series: 2004-B

Contact: Customer Service - CTSLink
         Wells Fargo Bank, N.A.
         Securities Administration Services
         7485 New Horizon Way
         Frederick, MD 21703
         Telephone: (301) 815-6600
         Fax:       (301) 815-6660








                                          Certificateholder Distribution Summary

                             Certificate    Certificate                  Beginning
                             Class          Pass-Through               Certificate           Interest          Principal
Class             CUSIP      Description    Rate                            Balance       Distribution       Distribution

<s>          <c>             <c>            <c>                <c>                <c>                <c>
     1-A-1       05948X2Y6              SEN             3.43211%      39,132,131.79         111,921.52         948,904.84
     1-A-R       05948X2Z3              SEN             3.50326%               0.00               0.00               0.00
    1-A-LR       05948X3A7              SEN             3.50326%               0.00               0.26               0.00
     2-A-1       05948X3B5              SEN             3.57324%      79,967,566.38         238,119.53       1,426,373.80
     2-A-2       05948X3C3              SEN             4.15124%     421,953,896.22       1,459,693.80       7,526,351.10
      B-1        05948X3D1              SUB             4.00131%       9,446,388.26          31,498.24           5,214.27
      B-2        05948X3E9              SUB             4.00131%       4,198,616.19          13,999.96           2,317.57
      B-3        05948X3F6              SUB             4.00131%       2,798,745.35           9,332.20           1,544.87
      B-4        05948X2S9              SUB             4.00131%       1,398,874.50           4,664.44             772.16
      B-5        05948X2T7              SUB             4.00131%       1,049,155.87           3,498.33             579.12
      B-6        05948X2U4              SUB             4.00131%       1,400,313.23           4,669.23             772.95
     1-IO        05948X2W0              SEN             0.63900%               0.00          21,834.73               0.00
     2-IO        05948X2X8              SEN             0.31909%               0.00         138,362.28               0.00
      SES        05948X2V2              SEN             0.00000%               0.00         100,040.51               0.00
Totals                                                               561,345,687.79       2,137,635.03       9,912,830.68




                     Certificateholder Distribution Summary (continued)

                          Current             Ending                            Cumulative
                         Realized        Certificate              Total           Realized
Class                         Loss            Balance       Distribution             Losses

<s>            <c>               <c>                <c>                <c>
1-A-1                         0.00      38,183,226.95       1,060,826.36               0.00
1-A-R                         0.00               0.00               0.00               0.00
1-A-LR                        0.00               0.00               0.26               0.00
2-A-1                         0.00      78,541,192.58       1,664,493.33               0.00
2-A-2                         0.00     414,427,545.11       8,986,044.90               0.00
B-1                           0.00       9,441,174.00          36,712.51               0.00
B-2                           0.00       4,196,298.62          16,317.53               0.00
B-3                           0.00       2,797,200.48          10,877.07               0.00
B-4                           0.00       1,398,102.34           5,436.60               0.00
B-5                           0.00       1,048,576.76           4,077.45               0.00
B-6                           0.00       1,399,540.27           5,442.18               0.00
1-IO                          0.00               0.00          21,834.73               0.00
2-IO                          0.00               0.00         138,362.28               0.00
SES                           0.00               0.00         100,040.51               0.00
Totals                        0.00     551,432,857.11      12,050,465.71               0.00
<FN>
All distributions required by the Pooling and Servicing Agreement have been calculated by the
Certificate Administrator on behalf of the Trustee.




</FN>




                                                Principal Distribution Statement

                         Original            Beginning          Scheduled       Unscheduled
                             Face          Certificate          Principal         Principal                        Realized
Class                       Amount              Balance       Distribution      Distribution        Accretion       Loss (1)

<s>            <c>               <c>                  <c>                <c>               <c>              <c>
1-A-1                63,317,000.00        39,132,131.79          62,072.88        886,831.96             0.00           0.00
1-A-R                        50.00                 0.00               0.00              0.00             0.00           0.00
1-A-LR                       50.00                 0.00               0.00              0.00             0.00           0.00
2-A-1                98,549,000.00        79,967,566.38          35,735.35      1,390,638.45             0.00           0.00
2-A-2               520,000,000.00       421,953,896.22         188,559.81      7,337,791.29             0.00           0.00
B-1                   9,481,000.00         9,446,388.26           5,214.27              0.00             0.00           0.00
B-2                   4,214,000.00         4,198,616.19           2,317.57              0.00             0.00           0.00
B-3                   2,809,000.00         2,798,745.35           1,544.87              0.00             0.00           0.00
B-4                   1,404,000.00         1,398,874.50             772.16              0.00             0.00           0.00
B-5                   1,053,000.00         1,049,155.87             579.12              0.00             0.00           0.00
B-6                   1,405,444.00         1,400,313.23             772.95              0.00             0.00           0.00
1-IO                          0.00                 0.00               0.00              0.00             0.00           0.00
2-IO                          0.00                 0.00               0.00              0.00             0.00           0.00
SES                           0.00                 0.00               0.00              0.00             0.00           0.00
Totals              702,232,544.00       561,345,687.79         297,568.98      9,615,261.70             0.00           0.00
<FN>
(1) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed.
    Please Refer to the Prospectus Supplement for a Full Description.

</FN>

 
 

                         Principal Distribution Statement (continued)

                             Total               Ending           Ending               Total
                         Principal          Certificate      Certificate           Principal
 Class                    Reduction              Balance       Percentage        Distribution

 <s>            <c>               <c>                  <c>              <c>
 1-A-1                   948,904.84        38,183,226.95       0.60304858          948,904.84
 1-A-R                         0.00                 0.00       0.00000000                0.00
 1-A-LR                        0.00                 0.00       0.00000000                0.00
 2-A-1                 1,426,373.80        78,541,192.58       0.79697605        1,426,373.80
 2-A-2                 7,526,351.10       414,427,545.11       0.79697605        7,526,351.10
 B-1                       5,214.27         9,441,174.00       0.99579939            5,214.27
 B-2                       2,317.57         4,196,298.62       0.99579939            2,317.57
 B-3                       1,544.87         2,797,200.48       0.99579939            1,544.87
 B-4                         772.16         1,398,102.34       0.99579939              772.16
 B-5                         579.12         1,048,576.76       0.99579939              579.12
 B-6                         772.95         1,399,540.27       0.99579938              772.95
 1-IO                          0.00                 0.00       0.00000000                0.00
 2-IO                          0.00                 0.00       0.00000000                0.00
 SES                           0.00                 0.00       0.00000000                0.00

 Totals                9,912,830.68       551,432,857.11       0.78525677        9,912,830.68
 



                                     Principal Distribution Factors Statement

                             Original          Beginning         Scheduled        Unscheduled
                                 Face        Certificate         Principal          Principal
Class (2)                       Amount            Balance      Distribution       Distribution          Accretion


 <s>           <c>                   <c>                <c>               <c>                <c>
1-A-1                    63,317,000.00       618.03515312        0.98035093        14.00622203         0.00000000
1-A-R                            50.00         0.00000000        0.00000000         0.00000000         0.00000000
1-A-LR                           50.00         0.00000000        0.00000000         0.00000000         0.00000000
2-A-1                    98,549,000.00       811.44980040        0.36261504        14.11113710         0.00000000
2-A-2                   520,000,000.00       811.44980042        0.36261502        14.11113710         0.00000000
B-1                       9,481,000.00       996.34935766        0.54997047         0.00000000         0.00000000
B-2                       4,214,000.00       996.34935691        0.54996915         0.00000000         0.00000000
B-3                       2,809,000.00       996.34935920        0.54997152         0.00000000         0.00000000
B-4                       1,404,000.00       996.34935897        0.54997151         0.00000000         0.00000000
B-5                       1,053,000.00       996.34935423        0.54997151         0.00000000         0.00000000
B-6                       1,405,444.00       996.34936006        0.54996855         0.00000000         0.00000000
1-IO                              0.00         0.00000000        0.00000000         0.00000000         0.00000000
2-IO                              0.00         0.00000000        0.00000000         0.00000000         0.00000000
SES                               0.00         0.00000000        0.00000000         0.00000000         0.00000000
<FN>
(2) All classes are per $1,000 denomination.
</FN>







                             Principal Distribution Factors Statement (continued)

                                               Total             Ending            Ending              Total
                         Realized          Principal        Certificate       Certificate          Principal
Class                     Loss (3)          Reduction            Balance        Percentage       Distribution

<s>            <c>               <c>                <c>                <c>               <c>
1-A-1                   0.00000000        14.98657296       603.04858016        0.60304858        14.98657296
1-A-R                   0.00000000         0.00000000         0.00000000        0.00000000         0.00000000
1-A-LR                  0.00000000         0.00000000         0.00000000        0.00000000         0.00000000
2-A-1                   0.00000000        14.47375214       796.97604826        0.79697605        14.47375214
2-A-2                   0.00000000        14.47375212       796.97604829        0.79697605        14.47375212
B-1                     0.00000000         0.54997047       995.79938825        0.99579939         0.54997047
B-2                     0.00000000         0.54996915       995.79938776        0.99579939         0.54996915
B-3                     0.00000000         0.54997152       995.79938768        0.99579939         0.54997152
B-4                     0.00000000         0.54997151       995.79938746        0.99579939         0.54997151
B-5                     0.00000000         0.54997151       995.79939221        0.99579939         0.54997151
B-6                     0.00000000         0.54996855       995.79938439        0.99579938         0.54996855
1-IO                    0.00000000         0.00000000         0.00000000        0.00000000         0.00000000
2-IO                    0.00000000         0.00000000         0.00000000        0.00000000         0.00000000
SES                     0.00000000         0.00000000         0.00000000        0.00000000         0.00000000
<FN>
(3) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses
    Unless Otherwise Disclosed.
    Please Refer to the Prospectus Supplement for a Full Description.
</FN>









                                                Interest Distribution Statement

                                                            Beginning                           Payment of
                         Original          Current       Certificate/            Current            Unpaid            Current
                             Face      Certificate           Notional            Accrued          Interest           Interest
Class                       Amount             Rate            Balance           Interest         Shortfall          Shortfall

<s>            <c>               <c>              <c>                <c>                <c>               <c>

1-A-1                63,317,000.00         3.43211%      39,132,131.79         111,921.52              0.00               0.00
1-A-R                        50.00         3.50326%               0.00               0.00              0.00               0.00
1-A-LR                       50.00         3.50326%               0.00               0.00              0.00               0.00
2-A-1                98,549,000.00         3.57324%      79,967,566.38         238,119.53              0.00               0.00
2-A-2               520,000,000.00         4.15124%     421,953,896.22       1,459,693.80              0.00               0.00
B-1                   9,481,000.00         4.00131%       9,446,388.26          31,498.24              0.00               0.00
B-2                   4,214,000.00         4.00131%       4,198,616.19          13,999.96              0.00               0.00
B-3                   2,809,000.00         4.00131%       2,798,745.35           9,332.20              0.00               0.00
B-4                   1,404,000.00         4.00131%       1,398,874.50           4,664.44              0.00               0.00
B-5                   1,053,000.00         4.00131%       1,049,155.87           3,498.33              0.00               0.00
B-6                   1,405,444.00         4.00131%       1,400,313.23           4,669.23              0.00               0.00
1-IO                          0.00         0.63900%      41,004,182.81          21,834.73              0.00               0.00
2-IO                          0.00         0.31909%     520,341,505.45         138,362.28              0.00               0.00
SES                           0.00         0.00000%     561,345,688.26               0.00              0.00               0.00
Totals              702,232,544.00                                           2,037,594.26              0.00               0.00





                                    Interest Distribution Statement (continued)

                                                                                  Remaining                Ending
                    Non-Supported                                   Total            Unpaid          Certificate/
                         Interest           Realized             Interest          Interest              Notional
Class                    Shortfall         Losses (4)         Distribution         Shortfall               Balance


<s>            <c>               <c>                <c>                  <c>                 <c>
1-A-1                         0.00               0.00           111,921.52              0.00         38,183,226.95
1-A-R                         0.00               0.00                 0.00              0.00                  0.00
1-A-LR                        0.00               0.00                 0.26              0.00                  0.00
2-A-1                         0.00               0.00           238,119.53              0.00         78,541,192.58
2-A-2                         0.00               0.00         1,459,693.80              0.00        414,427,545.11
B-1                           0.00               0.00            31,498.24              0.00          9,441,174.00
B-2                           0.00               0.00            13,999.96              0.00          4,196,298.62
B-3                           0.00               0.00             9,332.20              0.00          2,797,200.48
B-4                           0.00               0.00             4,664.44              0.00          1,398,102.34
B-5                           0.00               0.00             3,498.33              0.00          1,048,576.76
B-6                           0.00               0.00             4,669.23              0.00          1,399,540.27
1-IO                          0.00               0.00            21,834.73              0.00         40,052,308.45
2-IO                          0.00               0.00           138,362.28              0.00        511,380,549.13
SES                           0.00               0.00           100,040.51              0.00        551,432,857.58
Totals                        0.00               0.00         2,137,635.03              0.00
<FN>
(4) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed.
    Please Refer to the Prospectus Supplement for a Full Description.


</FN>




                                             Interest Distribution Factors Statement

                                                              Beginning                           Payment of
                           Original          Current       Certificate/           Current             Unpaid            Current
                               Face      Certificate           Notional           Accrued          Interest            Interest
Class (5)                     Amount             Rate            Balance          Interest          Shortfall          Shortfall


<s>           <c>                  <c>              <c>                <c>               <c>                <c>
1-A-1                  63,317,000.00         3.43211%       618.03515312        1.76763776         0.00000000         0.00000000
1-A-R                          50.00         3.50326%         0.00000000        0.00000000         0.00000000         0.00000000
1-A-LR                         50.00         3.50326%         0.00000000        0.00000000         0.00000000         0.00000000
2-A-1                  98,549,000.00         3.57324%       811.44980040        2.41625516         0.00000000         0.00000000
2-A-2                 520,000,000.00         4.15124%       811.44980042        2.80710346         0.00000000         0.00000000
B-1                     9,481,000.00         4.00131%       996.34935766        3.32224871         0.00000000         0.00000000
B-2                     4,214,000.00         4.00131%       996.34935691        3.32224964         0.00000000         0.00000000
B-3                     2,809,000.00         4.00131%       996.34935920        3.32224991         0.00000000         0.00000000
B-4                     1,404,000.00         4.00131%       996.34935897        3.32225071         0.00000000         0.00000000
B-5                     1,053,000.00         4.00131%       996.34935423        3.32225071         0.00000000         0.00000000
B-6                     1,405,444.00         4.00131%       996.34936006        3.32224550         0.00000000         0.00000000
1-IO                            0.00         0.63900%       628.81017802        0.33484146         0.00000000         0.00000000
2-IO                            0.00         0.31909%       816.83265831        0.21720126         0.00000000         0.00000000
SES                             0.00         0.00000%       799.37293234        0.00000000         0.00000000         0.00000000
<FN>

(5) All classes are per $1,000 denomination.

</FN>




                              Interest Distribution Factors Statement (continued)

                                                                                Remaining             Ending
                    Non-Supported                                 Total            Unpaid       Certificate/
                         Interest           Realized           Interest          Interest           Notional
Class                    Shortfall         Losses (6)       Distribution         Shortfall            Balance


<s>            <c>               <c>                <c>                <c>            <c>
1-A-1                   0.00000000         0.00000000         1.76763776        0.00000000       603.04858016
1-A-R                   0.00000000         0.00000000         0.00000000        0.00000000         0.00000000
1-A-LR                  0.00000000         0.00000000         5.20000000        0.00000000         0.00000000
2-A-1                   0.00000000         0.00000000         2.41625516        0.00000000       796.97604826
2-A-2                   0.00000000         0.00000000         2.80710346        0.00000000       796.97604829
B-1                     0.00000000         0.00000000         3.32224871        0.00000000       995.79938825
B-2                     0.00000000         0.00000000         3.32224964        0.00000000       995.79938776
B-3                     0.00000000         0.00000000         3.32224991        0.00000000       995.79938768
B-4                     0.00000000         0.00000000         3.32225071        0.00000000       995.79938746
B-5                     0.00000000         0.00000000         3.32225071        0.00000000       995.79939221
B-6                     0.00000000         0.00000000         3.32224550        0.00000000       995.79938439
1-IO                    0.00000000         0.00000000         0.33484146        0.00000000       614.21292855
2-IO                    0.00000000         0.00000000         0.21720126        0.00000000       802.76573938
SES                     0.00000000         0.00000000         0.14246066        0.00000000       785.25676704
<FN>
(6) Amount Does Not Include Excess Special Hazard, Bankruptcy,or Fraud Losses Unless
    Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.
</FN>








                                              Certificateholder Component Statement
                        Component          Beginning             Ending         Beginning             Ending             Ending
                     Pass-Through           Notional           Notional         Component          Component          Component
Class                         Rate            Balance            Balance           Balance            Balance         Percentage

<s>              <c>             <c>                <c>                <c>               <c>                <c>
       1-SES              0.00000%      41,004,182.81      40,052,308.45              0.00               0.00       61.42129285%
       2-SES              0.00000%     520,341,505.45     511,380,549.13              0.00               0.00       80.27657394%




                                         CERTIFICATEHOLDER ACCOUNT STATEMENT
                                                 CERTIFICATE ACCOUNT

<s>                                                                                      <c>
Beginning Balance                                                                                              0.00
Deposits
     Payments of Interest and Principal                                                               12,075,492.38
     Liquidations, Insurance Proceeds, Reserve Funds                                                           0.00
     Proceeds from Repurchased Loans                                                                           0.00
     Other Amounts (Servicer Advances)                                                                         0.00
     Realized Loss (Gains, Subsequent Expenses & Recoveries)                                                   0.00

     Prepayment Penalties                                                                                      0.00
Total Deposits                                                                                        12,075,492.38

Withdrawals
     Reimbursement for Servicer Advances                                                                       0.00
     Payment of Service Fee                                                                               25,026.67
     Payment of Interest and Principal                                                                12,050,465.71
Total Withdrawals (Pool Distribution Amount)                                                          12,075,492.38


Ending Balance                                                                                                 0.00




                                      PREPAYMENT/CURTAILMENT INTEREST SHORTFALL
<s>                                                                                       <c>
Total Prepayment/Curtailment Interest Shortfall                                                                0.00

Servicing Fee Support                                                                                          0.00
Non-Supported Prepayment/Curtailment Interest Shortfall                                                        0.00






                                                   SERVICING FEES
<s>                                                                                       <c>

Gross Servicing Fee                                                                                       23,389.40
Trustee Fee - Wells Fargo Bank, N.A.                                                                       1,637.27
Supported Prepayment/Curtailment Interest Shortfall                                                            0.00
Net Servicing Fee                                                                                         25,026.67






                                  LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT
                                                     DELINQUENCY STATUS

         DELINQUENT               BANKRUPTCY             FORECLOSURE             REO                     Total

<s>          <c>                    <c>                     <c>                     <c>                     <c>

          No of Loans             No of Loans            No of Loans             No of Loans             No of Loans
          Principal Balance       Principal Balance      Principal Balance       Principal Balance       Principal Balance
0-29 Days                         0                      0                       0                       0
                                  0.00                   0.00                    0.00                    0.00

30 Days   4                       0                      0                       0                       4
          1,948,197.60            0.00                   0.00                    0.00                    1,948,197.60

60 Days   0                       0                      0                       0                       0
          0.00                    0.00                   0.00                    0.00                    0.00

90 Days   1                       0                      0                       0                       1
          564,588.41              0.00                   0.00                    0.00                    564,588.41

120 Days  0                       0                      0                       0                       0
          0.00                    0.00                   0.00                    0.00                    0.00

150 Days  0                       0                      0                       0                       0
          0.00                    0.00                   0.00                    0.00                    0.00

180+ Days 0                       0                      0                       0                       0
          0.00                    0.00                   0.00                    0.00                    0.00

Totals    5                       0                      0                       0                       5
          2,512,786.01            0.00                   0.00                    0.00                    2,512,786.01


          No of Loans             No of Loans            No of Loans             No of Loans             No of Loans
          Principal Balance       Principal Balance      Principal Balance       Principal Balance       Principal Balance
0-29 Days                         0.000000%              0.000000%               0.000000%               0.000000%
                                  0.000000%              0.000000%               0.000000%               0.000000%

30 Days   0.383877%               0.000000%              0.000000%               0.000000%               0.383877%
          0.353139%               0.000000%              0.000000%               0.000000%               0.353139%

60 Days   0.000000%               0.000000%              0.000000%               0.000000%               0.000000%
          0.000000%               0.000000%              0.000000%               0.000000%               0.000000%

90 Days   0.095969%               0.000000%              0.000000%               0.000000%               0.095969%
          0.102340%               0.000000%              0.000000%               0.000000%               0.102340%

120 Days  0.000000%               0.000000%              0.000000%               0.000000%               0.000000%
          0.000000%               0.000000%              0.000000%               0.000000%               0.000000%

150 Days  0.000000%               0.000000%              0.000000%               0.000000%               0.000000%
          0.000000%               0.000000%              0.000000%               0.000000%               0.000000%

180+ Days 0.000000%               0.000000%              0.000000%               0.000000%               0.000000%
          0.000000%               0.000000%              0.000000%               0.000000%               0.000000%

Totals    0.479846%               0.000000%              0.000000%               0.000000%               0.479846%
          0.455479%               0.000000%              0.000000%               0.000000%               0.455479%


 
 
                                                  Delinquency Status By Groups

                         DELINQUENT           BANKRUPTCY            FORECLOSURE          REO                  Total
 <s>                                                                                              
 1- 3/1 ARM              No of Loans          No of Loans           No of Loans          No of Loans          No of Loans
                         Principal Balance    Principal Balance     Principal Balance    Principal Balance    Principal Balance

 0-29 Days                                    0                     0                    0                    0
                                              0.00                  0.00                 0.00                 0.00

 30 Days                 1                    0                     0                    0                    1
                         362,055.47           0.00                  0.00                 0.00                 362,055.47

 60 Days                 0                    0                     0                    0                    0
                         0.00                 0.00                  0.00                 0.00                 0.00

 90 Days                 0                    0                     0                    0                    0
                         0.00                 0.00                  0.00                 0.00                 0.00

 120 Days                0                    0                     0                    0                    0
                         0.00                 0.00                  0.00                 0.00                 0.00

 150 Days                0                    0                     0                    0                    0
                         0.00                 0.00                  0.00                 0.00                 0.00

 180 Days                0                    0                     0                    0                    0
                         0.00                 0.00                  0.00                 0.00                 0.00

 Totals                  1                    0                     0                    0                    1
                         362,055.47           0.00                  0.00                 0.00                 362,055.47



 0-29 Days                                    0.000000%             0.000000%            0.000000%            0.000000%
                                              0.000000%             0.000000%            0.000000%            0.000000%

 30 Days                 1.234568%            0.000000%             0.000000%            0.000000%            1.234568%
                         0.902809%            0.000000%             0.000000%            0.000000%            0.902809%

 60 Days                 0.000000%            0.000000%             0.000000%            0.000000%            0.000000%
                         0.000000%            0.000000%             0.000000%            0.000000%            0.000000%

 90 Days                 0.000000%            0.000000%             0.000000%            0.000000%            0.000000%
                         0.000000%            0.000000%             0.000000%            0.000000%            0.000000%

 120 Days                0.000000%            0.000000%             0.000000%            0.000000%            0.000000%
                         0.000000%            0.000000%             0.000000%            0.000000%            0.000000%

 150 Days                0.000000%            0.000000%             0.000000%            0.000000%            0.000000%
                         0.000000%            0.000000%             0.000000%            0.000000%            0.000000%

 180 Days                0.000000%            0.000000%             0.000000%            0.000000%            0.000000%
                         0.000000%            0.000000%             0.000000%            0.000000%            0.000000%

 Totals                  1.234568%            0.000000%             0.000000%            0.000000%            1.234568%
                         0.902809%            0.000000%             0.000000%            0.000000%            0.902809%



                         DELINQUENT           BANKRUPTCY            FORECLOSURE          REO                  Total
 <s>                                                                                              
 2- 5/1 ARM              No of Loans          No of Loans           No of Loans          No of Loans          No of Loans
                         Principal Balance    Principal Balance     Principal Balance    Principal Balance    Principal Balance

 0-29 Days                                    0                     0                    0                    0
                                              0.00                  0.00                 0.00                 0.00

 30 Days                 3                    0                     0                    0                    3
                         1,586,142.13         0.00                  0.00                 0.00                 1,586,142.13

 60 Days                 0                    0                     0                    0                    0
                         0.00                 0.00                  0.00                 0.00                 0.00

 90 Days                 1                    0                     0                    0                    1
                         564,588.41           0.00                  0.00                 0.00                 564,588.41

 120 Days                0                    0                     0                    0                    0
                         0.00                 0.00                  0.00                 0.00                 0.00

 150 Days                0                    0                     0                    0                    0
                         0.00                 0.00                  0.00                 0.00                 0.00

 180 Days                0                    0                     0                    0                    0
                         0.00                 0.00                  0.00                 0.00                 0.00

 Totals                  4                    0                     0                    0                    4
                         2,150,730.54         0.00                  0.00                 0.00                 2,150,730.54



 0-29 Days                                    0.000000%             0.000000%            0.000000%            0.000000%
                                              0.000000%             0.000000%            0.000000%            0.000000%

 30 Days                 0.312175%            0.000000%             0.000000%            0.000000%            0.312175%
                         0.310049%            0.000000%             0.000000%            0.000000%            0.310049%

 60 Days                 0.000000%            0.000000%             0.000000%            0.000000%            0.000000%
                         0.000000%            0.000000%             0.000000%            0.000000%            0.000000%

 90 Days                 0.104058%            0.000000%             0.000000%            0.000000%            0.104058%
                         0.110362%            0.000000%             0.000000%            0.000000%            0.110362%

 120 Days                0.000000%            0.000000%             0.000000%            0.000000%            0.000000%
                         0.000000%            0.000000%             0.000000%            0.000000%            0.000000%

 150 Days                0.000000%            0.000000%             0.000000%            0.000000%            0.000000%
                         0.000000%            0.000000%             0.000000%            0.000000%            0.000000%

 180 Days                0.000000%            0.000000%             0.000000%            0.000000%            0.000000%
                         0.000000%            0.000000%             0.000000%            0.000000%            0.000000%

 Totals                  0.416233%            0.000000%             0.000000%            0.000000%            0.416233%
                         0.420412%            0.000000%             0.000000%            0.000000%            0.420412%



 




                                               OTHER INFORMATION

<s>                                                                                 <c>
Current Period Class A Insufficient Funds                                                                  0.00
Principal Balance of Contaminated Properties                                                               0.00

Periodic Advance                                                                                      11,168.31








 
 

                                     COLLATERAL STATEMENT
                                                                                 
 Collateral Description                                                            Mixed ARM

 Weighted Average Gross Coupon                                                     4.618437%
 Weighted Average Net Coupon                                                       4.359306%
 Weighted Average Pass-Through Rate                                                4.355806%
 Weighted Average Maturity(Stepdown Calculation )                                        349
 Beginning Scheduled Collateral Loan Count                                             1,063

 Number Of Loans Paid In Full                                                             21
 Ending Scheduled Collateral Loan Count                                                1,042
 Beginning Scheduled Collateral Balance                                       561,345,688.26
 Ending Scheduled Collateral Balance                                          551,432,857.58
 Ending Actual Collateral Balance at 30-Sep-2004                              551,680,457.41
 Monthly P &I Constant                                                          2,458,019.03
 Special Servicing Fee                                                                  0.00
 Prepayment Penalties                                                                   0.00
 Realized Loss Amount                                                                   0.00
 Cumulative Realized Loss                                                               0.00
 Ending Scheduled Balance for Premium Loans                                   551,432,857.58
 Scheduled Principal                                                              297,568.98
 Unscheduled Principal                                                          9,615,261.70
 
 
 
                                                       


 
   
   

                             Miscellaneous Reporting
                                                           
   Total Senior%                                                   96.385098%
   Total Subordinate%                                               3.614901%

   


                        Group Level Collateral Statement
                                                   
Group                                                1- 3/1 ARM                       2- 5/1 ARM                            Total
Collateral Description                                Mixed ARM                        Mixed ARM                        Mixed ARM
Weighted Average Coupon Rate                           4.449611                         4.631742                         4.618437
Weighted Average Net Rate                              4.199611                         4.381742                         4.359306
Weighted Average Maturity                                   348                              351                              349
Beginning Loan Count                                         84                              979                            1,063
Loans Paid In Full                                            3                               18                               21
Ending Loan Count                                            81                              961                            1,042
Beginning Scheduled Balance                       41,004,182.81                   520,341,505.45                   561,345,688.26
Ending scheduled Balance                          40,052,308.45                   511,380,549.13                   551,432,857.58
Record Date                                          09/30/2004                       09/30/2004                       09/30/2004
Principal And Interest Constant                      217,086.29                     2,240,932.74                     2,458,019.03
Scheduled Principal                                   65,042.40                       232,526.58                       297,568.98
Unscheduled Principal                                886,831.96                     8,728,429.74                     9,615,261.70
Scheduled Interest                                   152,043.89                     2,008,406.16                     2,160,450.05
Servicing Fees                                         8,542.53                       108,404.49                       116,947.02
Master Servicing Fees                                      0.00                             0.00                             0.00
Trustee Fee                                              119.60                         1,517.67                         1,637.27
FRY Amount                                                 0.00                             0.00                             0.00
Special Hazard Fee                                         0.00                             0.00                             0.00
Other Fee                                              4,271.27                             0.00                         4,271.27
Pool Insurance Fee                                         0.00                             0.00                             0.00
Spread Fee 1                                               0.00                             0.00                             0.00
Spread Fee 2                                               0.00                             0.00                             0.00
Spread Fee 3                                               0.00                             0.00                             0.00
Net Interest                                         139,110.49                     1,898,484.00                     2,037,594.49
Realized Loss Amount                                       0.00                             0.00                             0.00
Cumulative Realized Loss                                   0.00                             0.00                             0.00
Percentage of Cumulative Losses                          0.0000                           0.0000                           0.0000
Prepayment Penalties                                       0.00                             0.00                             0.00
Special Servicing Fee                                      0.00                             0.00                             0.00
Pass-Through Rate                                      4.071111                         4.378242                         4.355806

  
  
                                       Miscellaneous Reporting

                                                                            
  Group 1- 3/1 ARM
               CPR                                                                       23.110685%
               Senior Prepayment%                                                       100.000000%
               Subordinate%                                                               4.565512%
               Subordinate Prepayment%                                                    0.000000%
               Senior%                                                                   95.434488%
  Group 2- 5/1 ARM
               CPR                                                                       18.379689%
               Senior Prepayment%                                                       100.000000%
               Subordinate%                                                               3.539991%
               Subordinate Prepayment%                                                    0.000000%
               Senior%                                                                   96.460009%