STC SA4063WE

This Certificate issued to United Air Lines, Inc.

600 Jefferson Street Houston, Texas 77002

Part 4b of the Civil Air Regulations. Certification basis is set forth in Type Certificate Data Sheet A3WE, Revision 12 Original Product Type Certificate Number :

A3WE

Boeing

727-222 Description of Type Design Change : Deletion of the pair of excess Type 1 emergency exits located at Station 720 + 15 in accordance with FAA Approved United Air Lines Master Drawing List No. 2671, Revision A, dated November 20, 1979, or later FAA approved revisions.

Limitations and Conditions: The approval of this change in type design applies basically to B- 727-222 aircraft only. This approva l does not extend to other aircraft of this model on which other previously approved modifications are incor porated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon th e airworthiness of that aircraft. If the holder agrees to permit another person to use th is certificate 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: March 19, 1979

Date of issuance: November 29, 1979

Date reissued: November 30, 2011

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

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