AD 2024-05-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Leonardo S.p.a. Helicopters |
Unsafe Condition
The main rotor gearbox component installed in certain Leonardo S.p.a. Model AW189 helicopters has a new or more restrictive airworthiness limitation.
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Required Actions
Revising the airworthiness limitations section (ALS) of the existing helicopter maintenance manual or instructions for continued airworthiness (ICA) for your helicopter and the existing approved maintenance or inspection program for your helicopter, as applicable, within 30 days to incorporate the limitations, tasks, and associated thresholds and intervals described in the specified ALS. If an incorporated limitation or threshold therein is reached before 30 days after the effective date of this final rule, you still have up to 30 days after the effective date of this final rule to accomplish the corresponding task.
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Compliance Time
Within 30 days after the effective date of this final rule
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Affected Aircraft
All Leonardo S.p.a. Model AW189 helicopters.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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