STC SA3353WE-D

This Certificate issued to United Air Lines, Inc.

600 Jefferson Street Houston, Texas 77002

Part 4b of the Civil Air Regulations.

*See Type Certificate Data Sheet A3WE.

A3WE

Boeing

727-222 Description of Type Design Change : This modification installs a retractable cart tie-down at the Sta. 340.50 and LBL 32.34 in accordance with DAS-1-WE Approved Un ited Air Lines Drawing List No. 3353 dated October 28, 1977, or later FAA approved revision.

Limitations and Conditions: The approval of this change in t ype design applies basically to 727-222 only.

This approval does not extend 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 this change and any of those other previously a pproved modifications will introduce no adverse effect upon the airworthiness of that aircraft. This dete rmination should include consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage. If the holder agrees to permit another person to use this cer tificate 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 9, 1977

Date of issuance: October 28, 1977

Date reissued: November 30, 2011

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

NOTE:

DO NOT DELETE THIS PAGE.

DO NOT ADD ANY DATA TO THIS PAGE.

THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.