AD 2000-06-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Turbomeca | Arrius 1A Series | Airworthiness Directives; Turbomeca Arrius 1A Series Turboshaft Engines |
Unsafe Condition
Reports of cracked injection wheels could result in unexpected power loss, leading to an uncommanded in-flight engine shutdown, autorotation, and forced landing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install module TU63 in accordance with Turbomeca Arrius Service Bulletin No. 319 73 0016, Revision 1, dated December 22, 1997.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
The earliest of: the next shop visit, within 120 cycles-in-service, or within 30 days after the effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Turbomeca Arrius 1A series turboshaft engines, installed on but not limited to Ecureuil AD355 series helicopters.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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