<PAGE>

                      SECURITIES AND EXCHANGE COMMISSION

                            Washington, D.C.  20549

                                  FORM 8-K/A

                               (AMENDMENT NO. 2)

                                CURRENT REPORT


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


  Date of Report (Date of earliest event reported):          February 15, 2000
                                                             -----------------

                     FIRST USA BANK, NATIONAL ASSOCIATION
                       (As Successor to BANK ONE, N.A.)
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            (Exact name of registrant as specified in its charter)

         (As Servicer on behalf of BANC ONE CREDIT CARD MASTER TRUST)

                                 United States
                                 -------------
                (State or other jurisdiction of incorporation)

               0-25636                            51-0269396
          ------------------                      ----------
      (Commission File Number)              (IRS Employer Identification Number)




201 North Walnut Street, Wilmington, Delaware                        19801
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(Address of principal executive offices)                         (Zip Code)


          (302) 594-4117
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Registrant's telephone number, including area code
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This Amendment No. 2 on Form 8-K/A is being filed soley for the purpose of
filing a corrected Exhibit 99.1 which shall replace Exhibit 99.1 as originally
filed with this Form 8-K.

Item 5.   Other Events

          On February 15, 2000, the Banc One Credit Card Master Trust (the
          "Trust") made a regular monthly distribution of principal and/or
          interest to holders of the following Certificates issued by the Trust,
          each of which is included in Group One and is a Principal Sharing
          Series:

               6.15% Class A Asset Backed Certificates, Series 1995-A
               6.30% Class B Asset Backed Certificates, Series 1995-A
               6.30% Class A Asset Backed Certificates, Series 1995-B
               6.45% Class B Asset Backed Certificates, Series 1995-B
               Floating Rate Class A Asset Backed Certificates, Series 1996-A
               Floating Rate Class B Asset Backed Certificates, Series 1996-A
               Asset Backed Certificates, Series 1997-1
               Asset Backed Certificates, Series 1997-2


Item 7.   Financial Statements and Exhibits

          (c) Exhibits.

          See page 4 for Exhibit Index.
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                                   SIGNATURE



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.


                              First USA Bank, N.A., as Servicer, on behalf
                              of BANC ONE CREDIT CARD MASTER
                              TRUST



                               By:       /s/ Tracie H. Klein
                                        ----------------------------------
                               Name:     Tracie H. Klein
                               Title:    First Vice President



Date:  August 30, 2000
       ---------------
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EXHIBIT INDEX


<TABLE>
<CAPTION>
Exhibit   Description                                                                     Page
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<S>       <C>                                                                             <C>

99.1      The Monthly Statements and other information reflecting the Trust's
          Activities for the Monthly Period ending January 31, 2000...................    5-16

99.2*     Monthly Servicer's Certificates.............................................   17-21
</TABLE>
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*Previously filed