AD 2008-16-04

final rule
Data completeness: 80%

Airworthiness Directives; Bell Helicopter Textron Canada (BHTC) Model 222, 222B, and 222U Helicopters

AD Number
2008-16-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2007-0178
FR Citation
73 FR 46548

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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).

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within the next 150 hours time-in-service or at the next annual inspection, 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 (serial numbers 47006 through 47089), Model 222B (serial numbers 47131 through 47156), and Model 222U (all serial numbers).

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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