AD 2013-20-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Various | Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) Helicopters |
| aircraft | Bell | 230 | Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) Helicopters |
Unsafe Condition
Third stage turbine vibration, which could result in turbine failure, engine power loss, 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
Revise the Operating Limitations section of the Model 230 Rotorcraft Flight Manual by inserting Section 1, Limitations, page 1-12, of Bell BHT-230-FM-1, revision 5, dated May 6, 2005. Install placard part number 230-075-213-115, or equivalent, on the instrument panel directly below the No. 1 and No. 2 engine oil temp/press indicator.
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Compliance Time
Within 30 days
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Affected Aircraft
Bell Model 230 helicopters, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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