PMA Details 251824 DRAWING 251824 REV. D O...
Part Number: 251824 Drawing 251824 Rev. D or later FAA approved revision.
Part Name: Dual Oil Control Ring
Replaced Part Number: 17097
Approval basis: STC SE31WE dated 6/17/69.
Models: Pratt & Whitney (R-985 Piston P/N 27056 for with channel-chromium pated R-985 cylinders.)
Holder: Airmotive Engineering Corp
Holder number: PQ0003SW
Address: 9503 Middlex San Antonio TX (United States)
Office: San Antonio TX FAA Office Tel: (210) 308-3360
Certificat:
FAA