AD 92-06-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Robinson Helicopter Company | R22 | Airworthiness Directives; Robinson Helicopter Company (RHC): Model R22 Series Helicopters |
| aircraft | Robinson Helicopter Company | R22 ALPHA | Airworthiness Directives; Robinson Helicopter Company (RHC): Model R22 Series Helicopters |
| aircraft | Robinson Helicopter Company | R22 BETA | Airworthiness Directives; Robinson Helicopter Company (RHC): Model R22 Series Helicopters |
| aircraft | Robinson Helicopter Company | R22 MARINER | Airworthiness Directives; Robinson Helicopter Company (RHC): Model R22 Series Helicopters |
Unsafe Condition
Failure of NAS1304-16 AF bolts could result in loss of helicopter control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect helicopters to identify NAS1304-16 bolts at specified locations. Remove and replace NAS1304-16 bolts marked 'AF' with serviceable bolts marked other than 'AF' or NAS6604-16 bolts before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 10 hours' time in service or before March 30, 1992, whichever comes first, for the initial inspection. Replacement must be done 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 series helicopters: Serial Numbers 1880 through 2060 and 2073; all R22 helicopters overhauled/repaired at RHC between July 9, 1991, and March 1, 1992; and all R22 helicopters with maintenance performed after July 9, 1991, in specified inspection areas.
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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