AD 2013-19-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France (Eurocopter) | Airworthiness Directives; Eurocopter France (Eurocopter) Helicopters |
Unsafe Condition
MGB bevel gear vertical shaft failures resulting from stress hot-spots, residual stresses in the weld material, and corrosion pitting inside the shaft, leading to loss of MGB oil pressure and subsequent loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove certain part-numbered and serial-numbered shafts from service. Inspect shafts for cracks using eddy current or ultrasonic methods. Replace shafts with airworthy parts if a crack is found. Install a placard for Model EC225LP helicopters and inspect shafts ultrasonically at specified intervals.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight and at specified intervals.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Eurocopter Model AS332C, AS332L, AS332L1, AS332L2, and EC225LP helicopters with certain part-numbered and serial-numbered main gearbox (MGB) bevel gear vertical shafts.
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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