AD 2007-05-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Continental | Motors GTSIO-520 Series Reciprocating | Airworthiness Directives; Teledyne Continental Motors GTSIO-520 Series Reciprocating Engines |
Unsafe Condition
Failure of the starter adapter assembly and/or crankshaft gear, resulting in engine failure and possible forced landing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the starter adapter assembly and crankshaft gear during initial and repetitive inspections every 100 hours time-in-service (TIS) or annually. Replace the starter adapter shaft gear needle bearing with a specified bushing if found during inspection. Install a specified TCM service kit at the next engine overhaul or starter adapter replacement, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 100 hours time-in-service (TIS) or annually.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Teledyne Continental Motors GTSIO-520 series reciprocating engines installed on, but not limited to, Twin Commander (formerly Aero Commander) model 685, Cessna model 404, 411 series, and 421 series, British Aerospace, Aircraft Group, Scottish Division model B.206 series 2, and Aeronautica Macchi model AM-3 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.