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                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

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                                   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): December 1, 2004

                     Lehman ABS Corporation, on behalf of:

           CORPORATE BACKED TRUST CERTIFICATES, SERIES 2001-23 TRUST
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            (Exact Name of Registrant as Specified in Its Charter)


      Delaware                         001-31876              13-3447441
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(State or Other Jurisdiction       (Commission File        (I.R.S. Employer
     of Incorporation)                 Number)            Identification No.)


Lehman ABS Corporation
745 Seventh Avenue
New York, New York                                                 10019
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(Address of Principal Executive Offices)                         (Zip Code)


Registrant's telephone number, including area code: (212) 526-7000
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Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any
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(b) under the
      Exchange Act
      (17 CFR 240.14a-12(b))

[  ]  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))

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The Corporate Backed Trust Certificates, Series 2001-23 Trust, which we refer
to herein as the "Trust," was formed pursuant to the Standard Terms for Trust
Agreements, dated as of January 16, 2001, between Lehman ABS Corporation, as
depositor, and U.S. Bank Trust National Association, as trustee, as
supplemented by the Series Supplement in respect of the Trust dated as of June
1, 2001.

Item 8.01. OTHER EVENTS

On December 1, 2004 distribution was made to the holders of the certificates
issued by the Trust. Specific information with respect to the distribution is
filed as Exhibit 1 hereto.

No other reportable transactions or matters have occurred during the current
reporting period.

Ryder System, 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 the issuer's
Exchange Act file number, 001-04364. The Commission 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." Periodic and current reports and other
information required to be filed pursuant to the Exchange Act by the issuer of
the underlying securities may be accessed on this site. Neither Lehman ABS
Corporation 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 Lehman ABS Corporation 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 themselves, have not
occurred or have not yet been publicly disclosed which would affect the
accuracy or completeness of the publicly available documents described above.

Item 9.01. FINANCIAL STATEMENTS AND EXHIBITS

(c) The following exhibit is filed as part of this report:

    1      Trustee's Distribution Statement to the Series 2001-23 Certificate
           Holders for the period ending December 1, 2004.


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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 thereunto duly authorized.

Date:  December 1, 2004

                                        Lehman ABS Corporation

                                        By: /s/   Paul Mitrokostas
                                                  ----------------
                                         Name:    Paul Mitrokostas
                                         Title:   Senior Vice President


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                                 EXHIBIT INDEX

Exhibit
Number        Description
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      1       Trustee's Distribution Statement to the Series
              2001-23 Certificate Holders for the period ending
              December 1, 2004


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