AD 2018-21-15
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 rod end remaining in service after reaching its life limit, which could result in failure of a rod end and subsequent loss of control of a helicopter.
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Required Actions
Within 140 hours time-in-service, clean and identify each rod end with the spring assembly serial number in accordance with the Accomplishment Instructions, paragraphs 3. through 8., of Bell Helicopter Alert Service Bulletin 429-15-19, dated February 26, 2015. Do not install a forward rod end P/N 427-010-210-105 or an aft rod end P/N 427-010-210-109 on any helicopter unless it has been marked with a serial number in accordance with paragraph (f)(1) of this AD.
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Compliance Time
Within 140 hours time-in-service
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Affected Aircraft
Model 429 helicopters, serial number 57001 through 57260, with a pylon restraint spring assembly (spring assembly) forward rod end assembly (rod end) part number (P/N) 427-010-210-105 or aft rod end P/N 427-010-210-109 installed, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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