AD 2003-11-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Turbomeca | S | Airworthiness Directives; Turbomeca S.A. Arriel -1B, -1D, and -1D1 Series Turboshaft Engines |
Unsafe Condition
Reports of 2nd stage gas generator turbine blade failures resulting in uncommanded engine in-flight shutdown.
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Required Actions
Replace modules M03 modified to TU 204 standard with modules M03 not modified to TU 204 standard, in accordance with Turbomeca S.A. Service Bulletins No. 292 72 0258 (Arriel -1B engines) and No. 292 72 0265 (Arriel -1D and -1D1 engines).
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Compliance Time
At the next engine shop visit, but no later than August 31, 2003.
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Affected Aircraft
Turbomeca S.A. Arriel -1B, -1D, and -1D1 series turboshaft engines installed on, but not limited to, Eurocopter AS-350B 'Astar' helicopters.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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