AD 2008-07-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Turbomeca | Arriel 1B | Airworthiness Directives; Turbomeca Arriel 1B, 1D, 1D1, and 1S1 Turboshaft Engines |
Unsafe Condition
Failures of the 2nd stage turbine blades in Turbomeca Arriel 1B, 1D, 1D1, and 1S1 turboshaft engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Add a 3,000 hour life limit to Arriel 1B 2nd stage turbine blades. Inspect and replace 2nd stage turbine blades as necessary to comply with the new life limit.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of this AD.
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Affected Aircraft
Turbomeca Arriel 1B, 1D, 1D1, and 1S1 turboshaft engines.
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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