STC SA2639WE

600 Jefferson Street Houston, Texas 77002 Part 25 of the Federal Aviation Administration..

(In accordance with original certification requirements set forth on Type Certificate Data Sheet No. A16WE.)

A16WE

Boeing

737-222 Description of Type Design Change: Installation of passenger seat mix change in accordance with FAA Approved United Air Lines Drawing List COA 9-1088, or later FAA approved revisions.

Limitations and Conditions: This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect 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: December 14, 1972

Date of issuance: January 24, 1973

Date reissued: November 30, 2011

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

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