STC SA2532SO

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title SA2532SO American Airlines, Inc.

3900 N. Mingo Road Engineering Dept., MD 208 Tulsa, Oklahoma 74116 Civil Air Regulations.

4b

1. Installation of a mixed class interior in accordance with USAir Engineering Orders 2989D072, dated March 28, 1989, 2589D073, dated March 28, 1989, 2589D074, dated March 28, 1989, and 2589D070, dated March 28, 1989, or 2589D071, dated March 29, 1989, or later FAA approved revision.

1. The installer must determine whether this design change is compatible with previously approved modifications.

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

Gaetano Sciortino Manager New York Aircraft Certification Office The Boeing Company DC-9-30 September 5, 1990, December 4, 2015, December 30, 2015 February 22, 1989 April 03, 1989 A6WE 2 “Reissued on December 4, 2015, to supersede the original STC, which has been lost or misplaced.”

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

2 SA2532SO