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.
General Electric Company T58 and CT58 Series Turboshaft Engines
Oct 18, 2001
Engine (T58-GE-402)
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (1)
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.
Main rotor drive · bolt · shearedJul 20, 2014
MAIN GEARBOX, NR 2 OIL PUMP FILTER HOUSING RETAINING BOLT SHEARED AT HEAD ALLOWING PRESSURE OIL TO ESCAPE FROM MAIN GEARBOX. PILOTS INITIATED PRECAUTIONARY LANDING IN FIELD ADJACENT TO WATER DIP SITE AND SHUTDOWN WITH NO EVENTS. MAIN GEARBOX WAS REPLACED AND A 4 BOLT FLANGE NR 2 OIL PUMP ASSY WAS…
From FAA Service Difficulty Reports; matched by N-number and serial number.