AD Amdt-39-9177
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Robinson | Helicopter Company Model R22 | Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters |
Unsafe Condition
Failure of the main rotor drive forward flexplate, leading to failure of the main rotor drive system and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct an initial dye penetrant inspection of the main rotor drive forward flexplate. Perform repetitive visual inspections of installed flexplates as specified.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Robinson Helicopter Company Model R22 helicopters
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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