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.
deHavilland Inc. Models DHC-2 Mk. I, DHC-2 Mk. II, and DHC-2 Mk. III Airplanes
Sep 10, 1999
Airframe (DHC-2 MK. I(L20A))
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (4)
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.
Equipment and furnishings · g switch · no testMay 7, 2017
ELT G SWITCH FAIED DURING SCHEDULED MAINTENANCE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Reciprocating engine · cylinder head · separatedAug 31, 2016
NR 1 CYLINDER HEAD SEPARATION, PRECAUTIONARY LANDING RESULTING IN NO OTHER DAMAGE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Reciprocating engine · cylinder head · crackedJun 14, 2012
ENGINE CYLINDER HEAD IN THE NR 2 POSITION CRACKED, IN FLIGHT, CAUSING ENGINE ROUGHNESS AND PARTIAL POWER LOSS. PILOT MADE EMERGENCY LANDING OFF AIRPORT.
From FAA Service Difficulty Reports; matched by N-number and serial number.
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Reciprocating engine · cylinder head · crackedJun 14, 2012
ENGINE CYLINDER HEAD IN THE NR 2 POSITION CRACKED, IN FLIGHT, CAUSING ENGINE ROUGHNESS AND PARTIAL POWER LOSS. PILOT MADE EMERGENCY LANDING OFF AIRPORT.
From FAA Service Difficulty Reports; matched by N-number and serial number.