AD 80-11-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Robinson Helicopter Company | R22 | Airworthiness Directives; ROBINSON HELICOPTER COMPANY Model R22 Series Helicopters |
Unsafe Condition
Main rotor blade structural failure
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service all main rotor blades with serial numbers 1 through 91 and replace with like serviceable parts. Mark the blades with 'UNAIRWORTHY' on the upper surface mid-span using 2-inch high lettering and stamp the data plate with 'UNAIRWORTHY'.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Robinson Helicopter Company Model R22 series helicopters with main rotor blades serial numbers 1 through 91
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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