AD 2000-08-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Robinson | Helicopter Company Model R22 | Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters |
Unsafe Condition
Sprag clutch assemblies with cracked or fractured sprag ends, leading to sprag clutch failure, loss of main rotor RPM during autorotation, 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
Replace sprag clutch, part number A188-2, serial numbers 3708 through 3757, 3808 through 3893, and 3908 through 4207, with sprag clutch, part number A188-2, serial number 4208 or higher. Remove the Special Pilot Caution from the Rotorcraft Flight Manual as specified.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 calendar days or 50 hours time-in-service, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Robinson Helicopter Company Model R22 helicopters, serial numbers 0002 through 2862, inclusive, with sprag clutch, part number A188-2, serial numbers 3708 through 3757, 3808 through 3893, and 3908 through 4207, installed.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.