PMA Details AIR21371

Part Number: AIR21371
Part Name: Seal Ring Set
Replaced Part Number: AlliedSignal, 3176985-1, Pneumatic High Stage Valve Rider Ring Set
Approval basis: Test and Computations per 14 CFR Part 21.303(c)(4)
Models: Boeing (737-300, -400, -500 when AlliedSignal Pneumatic High StageValve Part Numbers 3214446-3 or 3214446-4 are installed.)
Holder: Cook Airtomic
Holder number: undefined
Address: PO Box 1038 Louisville KY (United States)
Office: Atlanta GA FAA Office Tel: (404) 474-5700

Certificat: FAA