AD 2022-03-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Model AS332L2 and EC225LP | Airworthiness Directives; Airbus Helicopters |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus Helicopters |
Unsafe Condition
Loss of tightening torque on the nut that attaches the tail gear box (TGB) bevel wheel, which could lead to structural failure of the TGB drive, resulting in reduced, or loss of, control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitive inspections (measurements) of the angular clearances of the TGB, and, depending on the findings, replacement of the TGB with a serviceable TGB, as specified in EASA AD 2021-0184R2.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
All Airbus Helicopters Model AS332L2 and EC225LP helicopters, all serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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