AD 2022-10-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Model SA-365C1 and SA-365C2 | Airworthiness Directives; Airbus Helicopters |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus Helicopters |
Unsafe Condition
The level of detectability of particles linked to a planet gear spalling needs improvement. This condition, if not detected and corrected, could lead to a planet gear seizure possibly resulting in the loss of the MGB and subsequent reduced control of the helicopter.
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Required Actions
Inspecting the MGB magnetic plug and oil filter for particles and, depending on the outcome of the inspections, conducting further inspections or removing certain parts from service. Replacing the second stage planet gears at reduced intervals. Modifying the helicopter by replacing the non-electrical magnetic plug with an improved non-electrical magnetic plug. Accomplishing repair in accordance with a method approved by the Manager, General Aviation & Rotorcraft Section, International Validation Branch, FAA; or EASA; or Airbus Helicopters' EASA Design Organization Approval (DOA).
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Compliance Time
Before further flight
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Affected Aircraft
Airbus Helicopters Model SA-365C1 and SA-365C2 helicopters.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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