AD 2025-20-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Model H160-B | Airworthiness Directives; Airbus Helicopters |
Unsafe Condition
Broken main gearbox (MGB) right hand (RH) center and rear rail support assemblies, and broken square bearings, could lead to loss of the cowling in-flight, which could cause an impact with the main rotor blades and result in a loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Repetitively inspect the MGB RH and left hand (LH) center rail support for cracks. Depending on inspection results, replace the center rail support, rear rail support, or square housing bearing as necessary. Prohibit installation of certain part-numbered MGB support assemblies unless specific requirements are met.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 55 hours time-in-service
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Affected Aircraft
Airbus Helicopters Model H160-B 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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