STC SA3510WE

United States of America 8103 Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA351 0WE This certificate issued to: Rohr, Inc.

850 Lagoon Drive Chula Vista, California 91910-2098 part 25 of the Eederal Aviation regulations.

Original Product - Type Certificate Number: A22WE Make: McDonnell Douglas Model: DC-10-10 Description of Type Design Change: ; Replace primary thrust reverser with conical nozzle and plug; modify pylon aft fairing; and remove upper and lower actuators and drive cables in accordance with FAA approved Rohr Drawing No. 217R0001 "NC", dated September 21, 1977, or later FAA approved revisions.

Limitations and Conditions: The limitations and conditions of type certificate data sheet No. A22WE apply. This approval is limited to installation in McDonnell Douglas DC-10-10 airplanes only. This approval should not be extended to other specific airplanes 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 approved modifications will introduce no adverse effect upon the airworthiness of the above listed airplane.

Date of Application: July 01, 1976 Date Reissued: July 21, 1992; February Date of Issuance: Octobez 31, 1977 28, 1995 Date Amended:

FEDERAL AVIATION By Direction of the Administrator athut. tennes (Siegature) Kathy Skinner TOMINSTRATO Support Staff, ANM-1031 Acting Manager, Technical & Admin.

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FAA Form 8110-1(10-68) Page 1 of 2