AD 2018-12-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Safran | Helicopter | Airworthiness Directives; Safran Helicopter Engines, S.A., Turboshaft Engines |
Unsafe Condition
The presence of coking in the fuel manifold assemblies, which can reduce fuel flow and cause engine flameouts.
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Required Actions
Replace the main fuel injector half-manifolds and preferred injector for Arrius 2B1 turboshaft engines, and replace the preferred injector and pipe injector preferred assemblies with assembly P/N 0 319 73 044 0 for Arrius 2F turboshaft engines.
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Compliance Time
Within 16 months after the effective date of this AD
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Affected Aircraft
Safran Helicopter Engines, Arrius 2B1 and 2F turboshaft engines.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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