AD 2006-25-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | Corporation 501-D Series | Airworthiness Directives; Rolls-Royce Corporation 501-D Series Turboprop Engines |
Unsafe Condition
Uncontained turbine rotor failure resulting in an in-flight engine shutdown and possible damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove turbine wheels and spacers from service at specified life limits as detailed in the AD's tables for 501-D13 and 501-D22 series engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD, unless the actions have already been performed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce Corporation (formerly Allison Engine Company) 501-D series turboprop engines installed on various aircraft models, including Lockheed 188 and 382 series, Airbus 377SG5-F, and Convair Models 340 and 440 (580/580A or 5800 models) under Supplemental Type Certificate No. SA4-1100.
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
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