AD 2013-23-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France | Airworthiness Directives; Eurocopter France Helicopters |
Unsafe Condition
Loss of tightening torque of a bolt that secures the front and rear main gearbox (MGB) suspension bar attaching fittings, which can change the loads on the frames and cause cracking.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the torque value of the bolts that secure the front and rear MGB suspension bar attaching fittings. Re-torque the bolts to the proper value if the torque value is out of tolerance. If the torque value is out of tolerance by more than 20 percent, inspect the bolts, frames, and related equipment for a crack and repair or replace them if cracked.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the specified compliance time (not explicitly stated in the provided text).
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Affected Aircraft
Eurocopter France Model AS332L2 and EC225LP helicopters, certificated in any category.
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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