AD 2005-26-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Turbomeca | Artouste III Series | Airworthiness Directives; Turbomeca Artouste III Series Turboshaft Engines |
Unsafe Condition
Injection wheel cracks and excessive central labyrinth wear, which could result in an in-flight engine shutdown and possible loss of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect for smoke emissions after every engine ground shutdown and check the fuel system if smoke is detected. Perform initial and repetitive inspections of the central labyrinth using specified service bulletins. Replace the central labyrinth if necessary. Remove the engine from service if smoke emissions persist after corrective actions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 hours from the effective date of this AD or prior to 1,750 hours Time-Since-New, whichever occurs later.
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Affected Aircraft
Turbomeca Artouste III B, B1, and D series turboshaft engines with specified injection wheel part numbers, installed on, but not limited to, Eurocopter SA 315 LAMA and SA 316 Alouette III helicopters.
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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