AD 2022-07-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Inc | Airworthiness Directives; Bell Textron Inc., Helicopters |
| aircraft | Bell | Textron Inc | Airworthiness Directives; Bell Textron Inc., Helicopters |
Unsafe Condition
The condition, if not addressed, could result in fatigue damage and cracking, failure of the collective lever, and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Adding a permanent hours time-in-service (TIS) penalty for certain collective levers and prohibiting installing those collective levers unless the permanent hours TIS penalty has been added.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 hours TIS after the effective date of this AD
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Affected Aircraft
Bell Textron Inc., Model 412, 412EP, and 412CF helicopters with a Strake and FF system P/N 412-705-040-101 installed.
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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