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No. of STCs: 1

STC Holder: Progressive Mfg Co 1101 S. Ninth Street, Kansas City, KS 66105, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1388CE	Status: Historical	App Date:	Rev Date: 12/08/1977
Description: Replace magnesium or aluminum for- ward thrust reverser blocker doors with nylon doors. (707, 720 AIRPLANES EQUIPPED WITH BOEING P/N 65-11685 AND 65-68862 FORWARD THRUST REVERSER DOORS)
TC Nos.: 4A21, 4A26, 4A28
Models: The Boeing Company707, 707, 720
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100