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 (TH-55A)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 (TH-55A)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 (0)
No Service Difficulty Reports found for this airframe since 1995.