AD 2008-16-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Various | Airworthiness Directives; Bell Helicopter Textron Canada (BHTC) Model 222, 222B, and 222U Helicopters |
| aircraft | Bell | Various | Airworthiness Directives; Bell Helicopter Textron Canada (BHTC) Model 222, 222B, and 222U Helicopters |
| aircraft | Aviat | Various | Airworthiness Directives; Bell Helicopter Textron Canada (BHTC) Model 222, 222B, and 222U Helicopters |
Unsafe Condition
The cumulative effect of individual part tolerances could result in the tail rotor yoke striking another part other than the flapping stop (parts interference). Additionally, the misalignment of the tail rotor counterweight bellcrank may result in higher tail rotor pedal forces and a higher pilot workload after failure of the No. 1 hydraulic system.
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Required Actions
Adjust the rigging of the tail rotor pitch change mechanism in accordance with the Accomplishment Instructions, paragraphs 1 and 2, of the applicable Bell Helicopter Textron Alert Service Bulletin (ASB).
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Compliance Time
Within the next 150 hours time-in-service or at the next annual inspection, whichever occurs first.
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Affected Aircraft
Bell Helicopter Textron Canada Model 222 (serial numbers 47006 through 47089), Model 222B (serial numbers 47131 through 47156), and Model 222U (all serial numbers).
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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