AD 2005-12-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Lycoming | engine models | Airworthiness Directives; Teledyne Continental Motors (Formerly Bendix) S-20, S-1200, D-2000, and D-3000 Series Magnetos |
Unsafe Condition
Failure of the magneto impulse coupling assembly, which could lead to engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect riveted-impulse coupling assemblies within specified intervals (100 hours TSLI) and snap-ring impulse coupling assemblies within 500 hours TSLI. Replace any impulse coupling assemblies that fail inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 10 hours time-in-service after the effective date for certain inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Teledyne Continental Motors (formerly Bendix) S-20, S-1200, D-2000, and D-3000 series magnetos equipped with impulse coupling assemblies, installed on specific Lycoming engine models as listed in the AD.
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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