These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, and TH-55A Helicopters
May 8, 2002
Airframe (269C)Only with: With tailboom support strut assemblies P/N 269A2015 or 269A2015-5, tailboom center attach fitting P/N 269A2324, or center frame aft cluster fitting P/N 269A2234 or 269A2235 installed.
Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B…
Nov 17, 1995
Airframe (269C)Only with: Main rotor drive shaft P/N 269A5305-3 or 269A5305-11 installed, except drive shafts with serial number prefix "SZ" or "ZS".
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (2)
Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.
Windows · slat assy · mismfgApr 13, 1995
THE NEW STYLE CANOPY SLAT (ALUMINUM) REPLACES THE FIBERGLASS SLATS. THE ALUMINUM SLAT APPEARS TO BE MANUFACTURED TOO WIDE TO FIT PROPERLY ON THE CANOPY. THIS RESULTS IN THE SLAT BEING BOWED AT THE CENTER WHEN INSTALLED. THE CENTER SLAT SUPPORT PULLED AWAY FROM THE SLAT, WHILE IN-FLIGHT, AT THE…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Windows · support · crackedApr 11, 1995
THIS CANOPY SLAT IS A NEW DESIGN FROM SCHWEIZER. IT IS OF ALL ALUMINUM CONSTRUCTION AND REPLACES THE OLDER FIBERGLASS SLAT. THIS NEW TYPE SLAT APPEARS TO BE SLIGHTLY WIDER THAN THE PREVIOUS TYPE. WHEN IT'S BOLTED TO THE CABIN, IT BOWS SLIGHTLY AT THE CENTER SECTION. THE MFG WAS NOTIFIED BY US…
From FAA Service Difficulty Reports; matched by N-number and serial number.