AD 2006-06-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Various | Airworthiness Directives; Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, and LO-360 Series Reciprocating Engines |
| engine | Lycoming | LO-360-A1H6 reciprocating | Airworthiness Directives; Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, and LO-360 Series Reciprocating Engines |
Unsafe Condition
Failure of the crankshaft, which could result in total engine power loss, in-flight engine failure, and possible loss of the aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace certain crankshafts within 50 hours time-in-service or 6 months after the effective date of this AD, whichever is earlier.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 hours time-in-service or 6 months after the effective date of this AD, whichever is earlier.
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Affected Aircraft
Lycoming Engines AEIO-360, IO-360, O-360, LIO-360, and LO-360 series reciprocating engines, manufactured new or rebuilt, overhauled, or that had a crankshaft installed after March 1, 1999. These engines are installed on various aircraft models from manufacturers including Moravan, Scottish Avia, Valmet, Integrated Systems, Aircraft Manufacturing Factory, Beech, Cessna, Korean Air, Lake, Mooney, Partenavia, Saab, Siai Marchetti, Piper, Ruschmeyer, American, Zeppelin, and Mod Works.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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