AD 80-26-06

final rule
Data completeness: 70%

Airworthiness Directives; ROBINSON HELICOPTER Model R-22 Series Helicopters

AD Number
80-26-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Prior to further flight from the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Robinson Helicopter Company Model R-22 series helicopters, serial numbers 0002 through 0058.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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