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): July 25, 2003

                                      BOA

                                  (Depositor)

 (Issuer in respect of Mortgage Pass-Through Certificates, Series 2001-b Trust)

                (Exact name of registrant as specified in charter)

North Carolina                333-56234-05                  80-0046597/Man
(State or other               (Commission File No.)         (I.R.S. Employer
    jurisdiction of                                         Identification No.)
    organization)



101 N. Tryon St., Charlotte, NC                             28255
(Address of principal executive offices)                    (Zip Code)


Registrant's Telephone Number, including area code: 704-387-2111

                                 Not Applicable
              (Former name, former address and former fiscal year,
                          if changed since last report)




Item 5.  Other Events

                                      BOA
                       Mortgage Pass-Through Certificates
                              Series 2001-b Trust

On July 25, 2003, The Bank of New York, as Trustee for BOA, Mortgage
Pass-Through Certificates Series 2001-b Trust, made a monthly distribution to
Certificate holders of principal and/or interest pursuant to the Pooling and
Servicing Agreement, dated as of May 1, 2001, among BOA as Depositor, Bank of
America Mortgage Securities, Inc., Seller and Master Servicer and The Bank of
New York, as Trustee.

Item 7.  Financial Statements and Exhibits

                    (c) Exhibits

Exhibit No.                               Description

99                  Report to Holders of BOA, Mortgage Pass-Through Certificates
                    Series  2001-b  Trust  relating  to the distribution date of
                    July  25,  2003 prepared by The Bank of New York, as Trustee
                    under the Pooling and Servicing Agreement dated as of May 1,
                    2001.







                                   SIGNATURES

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 thereunto duly authorized.

Dated: July 25, 2003


                                      BOA


                          By: /s/ Diane Pickett
                              ------------------------------
                          Name:   Diane Pickett
                                  Vice President
                                  The Bank of New York,
                                  as Trustee







                                 EXHIBIT INDEX



Exhibit


99                  Monthly Remittance Statement dated July 25, 2003


                             Payment Date: 07/25/03


          ------------------------------------------------------------
                   Bank of America Mortgage Securities, Inc.
            Mortgage Pass-Through Certificates, Series 2001-b Trust
                         Bank of America, NA, Servicer
          ------------------------------------------------------------



Class Information                                Current Payment Information

- ----------------------------------------------------------------------------------------------------------------------------------
                                 Beginning       Pass Thru     Principal       Interest      Total           Principal  Interest
Type       Class Code   Name     Cert. Bal.      Rate          Dist. Amt.      Dist. Amt.    Dist.           Losses     Shortfalls
- ----------------------------------------------------------------------------------------------------------------------------------
                                                                                             
Senior                  A1                  0.00    5.249000%             0.00          0.00            0.00       0.00       0.00
                        A2                  0.00    6.069000%             0.00          0.00            0.00       0.00       0.00
                        A3         64,842,907.02    6.173527%     9,753,001.35    333,591.22   10,086,592.57       0.00       0.00
                        AIO        77,233,384.42   -0.000000%             0.00          0.00            0.00       0.00       0.00
Residual                ALR                 0.00    6.173527%             0.00          0.00            0.00       0.00       0.00
                        AR                  0.00    6.173527%             0.00          0.00            0.00       0.00       0.00
- ----------------------------------------------------------------------------------------------------------------------------------
Subordinate             B1          4,796,262.83    6.173527%       332,059.72     24,674.88      356,734.60       0.00       0.00
                        B2          2,841,827.09    6.173527%       196,748.25     14,620.08      211,368.33       0.00       0.00
                        B3          1,953,962.96    6.173527%       135,278.74     10,052.37      145,331.11       0.00       0.00
                        B4            887,864.13    6.173527%        61,469.51      4,567.71       66,037.22       0.00       0.00
                        B5            888,336.90    6.173527%        61,502.24      4,570.14       66,072.38       0.00       0.00
                        B6          1,022,223.50    6.173527%        70,771.60      5,258.94       76,030.54       0.00       0.00
- ----------------------------------------------------------------------------------------------------------------------------------
- ----------------------------------------------------------------------------------------------------------------------------------
Totals          -        -         77,233,384.42     -           10,610,831.40    397,335.34   11,008,166.74     -          -
- ----------------------------------------------------------------------------------------------------------------------------------
Class Information

- --------------------------------------------------------------------------------
                                             Ending Cert.          Unpaid
Type             Class Code     Name         Notional Bal.         Interest
- --------------------------------------------------------------------------------
Senior                          A1                  0.00              0.00
                                A2                  0.00              0.00
                                A3         55,089,905.67              0.00
                                AIO        66,622,553.03              0.00
Residual                        ALR                 0.00              0.00
                                AR                  0.00              0.00
- --------------------------------------------------------------------------------
Subordinate                     B1          4,464,203.11              0.00
                                B2          2,645,078.85              0.00
                                B3          1,818,684.22              0.00
                                B4            826,394.62              0.00
                                B5            826,834.66              0.00
                                B6            951,451.90              0.00
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
Totals            -              -         66,622,553.03     -
- --------------------------------------------------------------------------------



                             Payment Date: 07/25/03


          ------------------------------------------------------------
                   Bank of America Mortgage Securities, Inc.
            Mortgage Pass-Through Certificates, Series 2001-b Trust
                         Bank of America, NA, Servicer
          ------------------------------------------------------------



Class Information                                Current Payment Information

                                                      Factors per $1,000

- ------------------------------------------------------------------------------------------------------------------------
                                   Beginning     Pass Thru    CUSIP       Principal     Interest    Ending Cert./
Type        Class Code    Name   Cert. Bal.(Face)  Rate       Numbers       Dist.         Dist.     Notional Bal.
- ------------------------------------------------------------------------------------------------------------------------
                                                                            
- ------------------------------------------------------------------------------------------------------------------------
Senior                     A1              0.00     5.249000% 060506ZJ4     0.000000      0.000000      0.000000
                           A2              0.00     6.069000% 060506ZK1     0.000000      0.000000      0.000000
                           A3     64,842,907.02     6.173527% 060506ZL9    43.191758      1.477329    243.968990
                           AIO    77,233,384.42    -0.000000% 060506ZM7     0.000000      0.000000     88.661395
Residual                   ALR             0.00     6.173527%               0.000000      0.000000      0.000000
                           AR              0.00     6.173527%               0.000000      0.000000      0.000000
- ------------------------------------------------------------------------------------------------------------------------
Subordinate                B1      4,796,262.83     6.173527% 060506ZQ8    32.731367      2.432221    440.039735
                           B2      2,841,827.09     6.173527% 060506ZR6    32.731367      2.432221    440.039735
                           B3      1,953,962.96     6.173527% 060506ZS4    32.731367      2.432221    440.039735
                           B4        887,864.13     6.173527% 060506ZT2    32.731367      2.432221    440.039735
                           B5        888,336.90     6.173527% 060506ZU9    32.731367      2.432221    440.039735
                           B6      1,022,223.50     6.173527% 060506ZV7    31.387716      2.332377    421.975796
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------
Totals       -             -      77,233,384.42       -            -           -             -           -
- ------------------------------------------------------------------------------------------------------------------------
- ------------------------------------------------------------------------------------------------------------------------





          ------------------------------------------------------------
                   Bank of America Mortgage Securities, Inc.
            Mortgage Pass-Through Certificates, Series 2001-b Trust
                         Bank of America, NA, Servicer
          ------------------------------------------------------------

- --------------------------------------------------------------------------------
                             COLLATERAL INFORMATION
- --------------------------------------------------------------------------------

                                           Total
                                           -----
Prin balance        66,622,552.08    66,622,552.08
Loan count                    152              152
Avg loan rate           6.919527%             6.92
Prepay amount       10,527,463.30    10,527,463.30

- --------------------------------------------------------------------------------
                                FEES AND ADVANCES
- --------------------------------------------------------------------------------

                                           Total
                                           -----
Master serv fees        34,614.36        34,614.36
Sub servicer fees            0.00             0.00
Trustee fees               128.72           128.72


Agg advances                  N/A              N/A
Adv this period              0.00             0.00

- --------------------------------------------------------------------------------
                          LOSSES & INSURANCE COVERAGES
- --------------------------------------------------------------------------------

                                           Total
                                           -----
Realized losses              0.00             0.00
Cumulative losses       47,956.30        47,956.30

Coverage Amounts                           Total
- ----------------                           -----
Bankruptcy                   0.00             0.00
Fraud                        0.00             0.00
Special Hazard       2,357,067.46     2,357,067.46


                         Aggregate Certificate Information
   -----------------------------------------------------------------------------
   Class            Aggregate           Aggregate                     Aggregate
   Type            Percentage           Prepay Pct.              End Cert. Bal.
   -----------------------------------------------------------------------------
   Senior           84.900080%           100.000000%             64,842,907.02
   -----------------------------------------------------------------------------
   Junior           15.099920%             0.000000%             11,532,647.36
   -----------------------------------------------------------------------------

- --------------------------------------------------------------------------------
                          DELINQUENCY INFORMATION
- --------------------------------------------------------------------------------
Period                             Loan Count    Ending Stated Balance
- ------                             ----------    ---------------------
30 to 59 days                           1                   388,766.98
60 to 89 days                           1                   623,227.22
90 or more                              2                   824,853.37
Foreclosure                             1                   332,570.93

Totals:                                 5                 2,169,418.50
- --------------------------------------------------------------------------------



- --------------------------------------------------------------------------------
                                REO INFORMATION
- --------------------------------------------------------------------------------
   REO Date        Loan Number     Ending Stated Balance          Book Value
   --------        -----------     ---------------------          ----------
   N/A              #                   0                            N/A
   Totals:                              0                            N/A

Current Total Outstanding Balance:                                952,113.21
Current Total Outstanding Number of Loans:                                 1




- --------------------------------------------------------------------------------
                               OTHER INFORMATION
- --------------------------------------------------------------------------------
                                  Amount/Withdrawal     Total/Ending Bal.
                                  -----------------     -----------------
Available remittance amount           11,008,166.74         11,008,166.74
Principal remittance amount           10,610,831.40         10,610,831.40
Interest remittance amount               397,335.34            397,335.34