STC SA5642NM-D

This Certificate issued to United Air Lines, Inc.

600 Jefferson Street Houston, Texas 77002

Part 25 of the Federal Aviation R lOriginal Product Type Certificate Number :

A16WE

Boeing

737-200 series Description of Type Design Change: Replace GTCP85-129 Auxiliary Power United (APU) with GTCP85-129CK in UAL 737-200 series aircraft. No change to Airplane Flight Manual, Maintenance Program or weight and balance is required. The change was accomplished per COA 9-9148 in accordance with United Air Lines, DAS-1-WE, Approved Drawing List No.

5642 dated October 7, 1992, or later FAA approved revisions.

Limitations and Conditions: This approval should not extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between th is change and any of those other previously approved modifications will introduce no adverse e ffect upon the airworthiness of that aircraft.

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of application: July 20, 1992

Date of issuance: October 7, 1992

Date reissued: November 30, 2011

( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office (Title)

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