AD 2024-15-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Leonardo S.p.a. Helicopters |
Unsafe Condition
Loose tail rotor duplex bearing locking nuts, possibly caused by improper installation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Disassembling certain tail rotor duplex bearings and reassembling them in accordance with updated procedures, and prohibiting installing certain tail rotor duplex bearing housings and pitch change slider assemblies.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 100 hours time-in-service or 6 months, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Leonardo S.p.a. Model A109C, A109E, A109K2, A109S, and AW109SP helicopters.
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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