UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
                                     ____

                                   FORM 10-K

                       FOR ANNUAL AND TRANSITION REPORTS
                    PURSUANT TO SECTIONS 13 OR 15(d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934



         (Mark One)

             [X]   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                   SECURITIES EXCHANGE ACT OF 1934

             For the fiscal year ended December 31, 2003

                                                      or

             [ ]   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                   SECURITIES EXCHANGE ACT OF 1934

             For the transition period from ________ to ________

                       Commission File Number: 001-31322

                            Lehman ABS Corporation,
                            -----------------------
                                 on behalf of:
    Corporate Backed Trust Certificates, AT&T Wireless Services Note-Backed
                             Series 2002-7 Trust
   ---------------------------------------------------------------------------
            (Exact name of registrant as specified in its charter)

          Delaware                                              13-3447441
-------------------------------------------     ------------------------------
(State or other jurisdiction                    (I.R.S. Employer Identification
of incorporation or organization)                No.)


    745 Seventh Avenue, New York, New York                     10019
   ----------------------------------------     ------------------------------
   (Address of principal executive offices)                  (Zip Code)

             Registrant's telephone number, including area code: (212) 526-7000

Securities registered pursuant to Section 12(b) of the Act:

Title of Class                                 Name of Registered Exchange
--------------                                 -----------------------------
Corporate Backed Trust Certificates,           New York Stock Exchange ("NYSE")
  AT&T Wireless Services Note-Backed
  Series 2002-7

Securities registered pursuant to Section 12(g) of the Act:  None


<PAGE>

Indicate by check mark whether the registrant: (1) Has filed all reports
required to be filed by section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to
file requirements for the past 90 days.
Yes [X]   No [ ]

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to
this Form 10-K.[X]

Indicate by check mark whether the registrant is an accelerated filer (as
defined in Rule 12b-2 of the Act).
Yes [ ]   No [X]

State the aggregate market value of the voting and non-voting common equity
held by non-affiliates computed by reference to the price at which the common
equity was last sold, or the average bid and asked price of such common
equity, as of the last business day of the registrant's most recently
completed second fiscal quarter:

         The registrant has no voting stock or class of common stock that is
held by non-affiliates.



                      DOCUMENTS INCORPORATED BY REFERENCE

The distribution reports to security holders filed on Form 8-K during the
fiscal year in lieu of reports on Form 10-Q which includes the reports filed
on Form 8-K listed in Item 15(b) hereto.

                               Introductory Note

Lehman ABS Corporation (the "Depositor") is the Depositor in respect of the
Corporate Backed Trust Certificates, AT&T Wireless Services Note-Backed Series
2002-7 Trust (the "Trust"), a common law trust formed pursuant to the Standard
Terms for Trust Agreements, dated as of January 16, 2001, between the
Depositor and U.S. Bank Trust National Association, as trustee (the
"Trustee"), as supplemented by a Series Supplement (the "Series Supplement")
dated as of May 1, 2002 in respect of the Trust. The Trust's assets consist
solely of senior notes issued by AT&T Wireless Services, Inc. The Certificates
do not represent obligations of or interests in the Depositor or the Trustee.

AT&T Wireless Services, Inc., the issuer of the underlying securities, is
subject to the information reporting requirements of the Securities Exchange
Act of 1934, as amended, (the "Exchange Act"). For information on the issuer
of the underlying securities, please see its periodic and current reports
filed with the Securities and Exchange Commission (the "Commission") under
AT&T Wireless Services, Inc.'s Exchange Act file number, 001-16567. Periodic
and current reports and other information required to be filed pursuant to the
Exchange Act by AT&T Wireless Services, Inc. may be inspected and copied at
the public reference facilities maintained by the Securities and Exchange
Commission at 450 Fifth Street, N.W., Washington, D.C. 20549. The Commission
also maintains a site on the World Wide Web at "http://www.sec.gov" at which
users can view and download copies of reports, proxy and information
statements and other information filed electronically through the Electronic
Data Gathering, Analysis and Retrieval system, or "EDGAR." Neither the
Depositor nor the Trustee has participated in the preparation of such
reporting documents, or made any due diligence investigation with respect to
the information provided therein. Neither the Depositor nor the Trustee has
verified the accuracy or completeness of such documents or reports. There can
be no assurance that events affecting the issuer of the underlying securities
or the underlying securities have not occurred or have not yet been publicly
disclosed which would affect the accuracy or completeness of the publicly
available documents described above.




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<PAGE>

                                    PART I

Item 1.  Business.
         Not Applicable

Item 2.  Properties.
         Not Applicable

Item 3.  Legal Proceedings.
         None

Item 4.  Submission of Matters To A Vote of Security Holders.
         None

                                    PART II

Item 5.  Market for Registrant's Common Equity and Related Stockholder Matters.
         The publicly offered Certificates representing investors' interest in
the Trust are represented by one or more physical Certificates registered in
the name of "Cede & Co.", the nominee of The Depository Trust Company. Those
publicly offered Certificates are listed on the NYSE.

Item 6.  Selected Financial Data.
         Not Applicable

Item 7.  Management's Discussion and Analysis of Financial Condition and
         Results of Operations.
         Not Applicable

Item 7A. Quantitative and Qualitative Disclosures About Market Risk.
         Not Applicable

Item 8.  Financial Statements and Supplementary Data.
         Not Applicable

Item 9.  Changes In and Disagreements With Accountants on Accounting and
         Financial Disclosure.
         None

Item 9A. Controls and Procedures.
         Not Applicable

                                   PART III

Item 10. Directors and Executive Officers of the Registrant.
         Not Applicable

Item 11. Executive Compensation.
         Not Applicable

Item 12. Security Ownership of Certain Beneficial Owners and Management.
         Not Applicable

Item 13. Certain Relationships and Related Transactions.
         None

Item 14. Principal Accounting Fees and Services.
         Not Applicable


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<PAGE>

                                    PART IV

Item 15.  Exhibits, Financial Statements, Schedules and Reports on Form 8-K.

         (a)   The following documents have been filed as part of this report.

               1.       Trustee's Distribution Statements documented on
                        Form 8-K regarding the distributions from the Trust
                        to the certificateholders for the period from
                        January 1, 2003 through and including December 31,
                        2003 have been filed with the Securities and
                        Exchange Commission and are hereby incorporated by
                        reference. Filing dates are listed in Item 15(b)
                        below.

               2.       None

               3.       Exhibits:

                        99.1 - Certification by Senior Vice President of
                        the Registrant pursuant to 15 U.S.C. Section 7241,
                        as adopted pursuant to Section 302 of the
                        Sarbanes-Oxley Act of 2002.

                        99.2 - Annual Compliance Report by Trustee pursuant
                        to 15 U.S.C. Section 7241, as adopted pursuant to
                        Section 302 of the Sarbanes-Oxley Act of 2002.

         (b)   The following reports on Form 8-K were filed during the period
covered by this report:

-------------------------------------------------------------------------------
             Trust Description            Distribution Date        Filed on
-------------------------------------------------------------------------------
Corporate Backed Trust Certificates,          03/01/2003          04/25/2003
AT&T Wireless Services Note-Backed            09/01/2003          09/16/2003
Series 2002-7 Trust
-------------------------------------------------------------------------------
         (c)   See Item 15(a) above.

         (d)   Not Applicable.



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<PAGE>

                                   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 thereunto duly authorized.

                           Lehman ABS Corporation, as Depositor for the
                           Trust (the "Registrant")



Dated:  March 29, 2004     By:      /s/ PAUL MITROKOSTAS
                              -----------------------------------------
                                    Name:  Paul Mitrokostas
                                    Title:  Senior Vice President



                                      5
<PAGE>

                                 EXHIBIT INDEX

-------------------------------------------------------------------------------
 Reference                                                    Exhibit Number
 Number per               Description of Exhibits            in this Form 10-K
Item 601 of
Regulation SK
-------------------------------------------------------------------------------
                Certification by Senior Vice President of the            99.1
   (99.1)       Registrant pursuant to 15 U.S.C. Section 7241, as
                adopted pursuant to Section 302 of the Sarbanes-Oxley
                Act of 2002.
-------------------------------------------------------------------------------
                Annual Compliance Report by Trustee pursuant to 15       99.2
   (99.2)       U.S.C. Section 7241, as adopted pursuant to Section
                302 of the Sarbanes-Oxley Act of 2002.
-------------------------------------------------------------------------------




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