AD 2013-22188
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Various | Airworthiness Directives; Bell Helicopter Textron, Inc. (Bell) Helicopters |
| aircraft | Bell | Helicopter Textron | Airworthiness Directives; Bell Helicopter Textron, Inc. (Bell) Helicopters |
Unsafe Condition
Rapid growth of a crack leading to premature chain failure, which could result in failure of the chain, loss of tail rotor blade pitch control, and subsequent loss of control of the helicopter.
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Required Actions
For Bell Model 204B, inspect certain chains at specified intervals, revise inspection procedures, install a tail rotor cable and chain damper kit, and revise the maintenance manual or ICAs to include inspection intervals. For certain Bell Model 205A-1 helicopters, replace the chain and cable control system with an airworthy tail rotor push-pull control system kit.
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Compliance Time
Before further flight
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Affected Aircraft
Bell Model 204B helicopters with part number 204-001-739-003 or -105 installed, and Bell Model 205A-1 helicopters with serial number 30001 through 30228 and a certain tail rotor pitch control chain installed.
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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