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):
                               September 15, 2003


                        FIRST NATIONAL MASTER NOTE TRUST
                        --------------------------------
             (Exact name of registrant as specified in its charter)

<Table>
<Caption>
                                                           
         Nebraska                         000-50139                      Not applicable
- ---------------------------       ------------------------       ------------------------------
 (State of Incorporation)         (Commission File Number)        (IRS Employer Identification
                                                                           Number)
</Table>
<Table>
<Caption>
                                                         
                   1620 Dodge Street
                     Stop Code 3198
                   Omaha, Nebraska                            68197-3198
      ------------------------------------------             ------------
       (Address of principal executive offices)               (Zip Code)
</Table>

                                 (402) 341-0500
             ------------------------------------------------------
              (Registrant's telephone number, including area code)


                                 Not applicable
     ----------------------------------------------------------------------
          (Former name or former address, if changed since last report)




Item 5.  Other Events.

None.

(C)  Exhibits

EXHIBIT NO.    DOCUMENT DESCRIPTION

Exhibit 20     Series 2002-1 and 2003-1 Asset Backed Notes Monthly Servicing
               Report





                                   SIGNATURES

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

Dated: September 15, 2003            FIRST NATIONAL FUNDING LLC

                                     By:  First National Funding Corporation,
                                          Managing Member


                                     By:  /s/ Jean L. Koenck
                                          -------------------------------------
                                          Jean L. Koenck, Senior Vice President


Dated: September 15, 2003            FIRST NATIONAL MASTER NOTE TRUST,

                                     By:  First National Bank of Omaha,
                                          As Servicer of First National Master
                                          Note Trust

                                     By:  /s/ Jean L. Koenck
                                          -------------------------------------
                                          Jean L. Koenck, Vice President







                                  EXHIBIT INDEX


EXHIBIT     DESCRIPTION
NO.

20          Series 2002-1 and 2003-1 Asset Backed Notes Monthly Servicing Report