AD 2004-20-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada Model 222 | Airworthiness Directives; Bell Helicopter Textron Canada Model 222, 222B, 222U, and 230 Helicopters |
| aircraft | Bell | Helicopter Textron Canada Model 222 | Airworthiness Directives; Bell Helicopter Textron Canada Model 222, 222B, 222U, and 230 Helicopters |
Unsafe Condition
Failure of the main rotor yoke (yoke) due to crack, fretting, or buffer deterioration, which could lead to loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the main rotor yoke for cracks, fretting, or buffer deterioration using a 10X or higher magnifying glass. Replace the yoke with an airworthy one if a crack is found. Disassemble and further inspect the hub assembly if fretting or buffer deterioration is found. Inspect the flapping bearing retaining nuts for torque at specified intervals. Repair or replace unairworthy parts as necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 hours time-in-service (TIS) or by the next scheduled inspection for the hub assembly, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bell Helicopter Textron Canada Model 222 (serials 47006-47089), 222B (serials 47131-47156), 222U (serials 47501-47574), and 230 (serials 23001-23038) helicopters with main rotor hub assembly part numbers 222-011-101-ALL or 222-012-101-ALL 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
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