AD 2019-06-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada Limited | Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters |
| aircraft | Bell | Helicopter Textron Canada Limited | Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters |
Unsafe Condition
a worn bearing, which could result in failure of a bearing, which could lead to reduced helicopter handling, damage to other components, and subsequent loss of helicopter control.
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Required Actions
Within 20 hours time-in-service (TIS) and thereafter at intervals not to exceed 50 hours TIS: Inspect the upper and lower pitch link rod ends for axial and radial bearing play by rolling the bearings through all angles, paying particular attention to the areas depicted in Figure 1 of Bell Helicopter Alert Service Bulletin 429-11-03, Revision A, dated January 13, 2015. If there is any play in a bearing, remove the pitch link assembly and perform a dimensional inspection of the bearing.
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Compliance Time
Within 20 hours time-in-service (TIS)
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Affected Aircraft
Bell Helicopter Textron Canada Limited Model 429 helicopters, serial numbers 57001 and larger, with a main rotor pitch link rod end bearing assembly (bearing) part number (P/N) 429-010-433-101 or 429-010-433-103 installed.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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