AD 2000-20-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Robinson | Helicopter Company Model R22 | Airworthiness Directives; Robinson Helicopter Company Model R22 Helicopters |
Unsafe Condition
Cracks in the yoke half assembly (yoke), part number A203-5, due to stress corrosion in areas with exposed transverse grain, leading to separation of the yokes from the main rotor drive shaft 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
Check the identified area of each yoke for a crack before further flight and thereafter before the first flight of each day. Replace any cracked yoke assembly with airworthy yokes, part number A203-7. Determine the lot identifier for each yoke, part number A203-5, and replace any affected yokes with yokes, part number A203-7, before further flight after January 1, 2001.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight, and for replacement of certain yokes, before further flight after January 1, 2001.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Robinson Helicopter Company Model R22 helicopters with yoke half assembly (yoke), part number A203-5, installed, certificated in any category.
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.