AD 80-26-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Robinson Helicopter Company | R22 | Airworthiness Directives; ROBINSON HELICOPTER Model R-22 Series Helicopters |
Unsafe Condition
Failure of the A093-2 forward tail rotor coupling flex plate and loss of power to the tail rotor.
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Required Actions
Conduct a one-time inspection of the A193-2 forward tail rotor coupling flex plate per Robinson Service Letter No. 6, remove and replace any found cracked, bent, nicked, or with loose clamp-up. Inspect the A197-1 tail rotor drive shaft assembly per Service Letter No. 7, remove and replace those with TIR over 0.015 inch or excessive vibration. Use special flight permits under FAR 21.197/199 to reach a base for inspections if needed.
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Compliance Time
Prior to further flight from the effective date of this AD
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Affected Aircraft
Robinson Helicopter Company Model R-22 series helicopters, serial numbers 0002 through 0058.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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