AD 2022-06-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | Various | Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters |
| aircraft | Textron | Various | Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters |
| aircraft | Bell | Various | Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters |
Unsafe Condition
The condition, if not addressed, could result in restrictions in the collective, directional, or pitch control systems, and subsequent loss of helicopter control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspecting the cyclic and collective bellcrank assemblies for roughness in the pivot bearings and binding in the collective, lateral, and longitudinal arm end bearings, and replacing each affected bellcrank assembly before further flight. Installing the upgraded collective and cyclic bellcrank assemblies, which would provide a terminating action for the recurring inspections.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 12 months after the helicopter was manufactured or 30 days after the effective date of this AD, whichever occurs later, and thereafter at intervals not to exceed 6 months.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bell Textron Canada Limited Model 429 helicopters, all serial numbers.
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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