AD Amdt-39-10085
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Lycoming reciprocating engines | Airworthiness Directives; Avco Lycoming and Textron Lycoming Reciprocating Engines |
| engine | Lycoming | and Textron Lycoming Reciprocating | Airworthiness Directives; Avco Lycoming and Textron Lycoming Reciprocating Engines |
Unsafe Condition
Defective piston pins may fail, resulting in engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and replace defective piston pins with serviceable parts as specified in the revised service bulletin. Incorporate additional affected engine models into the AD requirements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Avco Lycoming and Textron Lycoming reciprocating engines, including newly added models as listed in the revised service bulletin.
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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