AD 2022-13-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Model AS-365N2 | Airworthiness Directives; Airbus Helicopters |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus Helicopters |
Unsafe Condition
bearing degradation and subsequent failure, which could result in loss of yaw control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
repetitive inspections of the TGB chip detector for particles, analyzing any particles collected, performing a double bearing washing, repetitive replacements of certain part-numbered double bearings, and corrective actions if necessary, as specified in EASA AD 2021-0170.
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Compliance Time
Within 500 flight hours after October 28, 2019, or within 610 flight hours since first installation, whichever occurs later.
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Affected Aircraft
Airbus Helicopters Model AS-365N2, AS 365 N3, EC 155B, EC155B1, and SA-365N1 helicopters.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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