AD 2017-15-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Safran | Helicopter | Airworthiness Directives; Safran Helicopter Engines, S.A., Turboshaft Engines |
Unsafe Condition
Reports of fuel leaks originating from the drain valve assembly (DV) on certain Arriel engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and wrap affected DVs. Replace those DVs found to be defective. Continue to perform repetitive inspections even if the defective DV is replaced with an affected DV eligible for installation.
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Compliance Time
Within 10 flight hours or 7 days
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Affected Aircraft
Safran Helicopter Engines, S.A., Arriel 1A1, 1A2, 1B, 1C, 1C1, 1C2, 1D, 1D1, 1E2, 1K1, 1S, and 1S1 turboshaft engines equipped with a drain valve assembly (DV) manufactured, repaired, or overhauled after December 31, 2015, and with a diaphragm, part number 9 164 95 002 0, installed.
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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