STC SA3990SW-D

amitco States of Almerica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA 3990 SW-D This certificate issued to: American Airlines, Inc.

P. O. Box 582809 Tulsa, Oklahoma 74158-2809 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereon meets the airworthiness reguirements of Part 25 of the Federal Aviation Regulations.

Original Product - Type bertificate Numben: A22WE Маке: McDonnell Douglas Model: MD11 Description of Type Design Change:

Modify the Passenger Cabin by installation of a new closet, Flight Attendant seats and modification of a closet in accordance with American Airlines Engineering Change Order Z0782BX, dated 5/27/97 and one Prototype Revision Form 7721-5 dated 7/9/97 or later DAS1SW approved Limitations and Conditions:

This approval should not be incorporated in any aircraft of this specific model until compatibility of this modification with previously approved modifications has been determined by the installer.

Date of Application: May 9, 1997 Jute missued:

Date of Issuance: July 9, 1997 Jale umendeed:

FEDERAL AVTATION sy directum if the laministral.

E. J. Grewe (Signature) TO MINISTRATO DASISW Coordinator (Tille) 47 FAA FORM 8110-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number - to (Name of transferee)._ (Address of transferee) (Number and street) (City, State, and ZIP code )

• from (Name of grantor) (Print or type) - (Address of grantor) (Number and street) ( City, State, and ZIP code ) Extent of Authority (if licensing agreement):

Date of Transfer: - Signature of grantor (In ink): _