AD 67-24-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron, Inc. | 204B | Airworthiness Directives; Bell Model 204B Helicopters |
Unsafe Condition
Failure of the Slider, P/N 204-010-720-3, due to insufficient tensile hardness below 125,000 P.S.I. or exceeding 145,000 P.S.I.
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Required Actions
Remove the Slider and inspect for proper hardness using a hardness tester on the side of the flat plate. Reinstall only Sliders with tensile hardness between 125,000 P.S.I. and 145,000 P.S.I. Conduct inspections before further flight for sliders with less than 300 hours time in service, or within the next 125 hours' time in service for those with 300 hours or more. Spare sliders must be inspected before installation.
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Compliance Time
Before further flight for sliders with less than 300 hours time in service, or within the next 125 hours' time in service for those with 300 hours or more. Spare sliders must be inspected before installation unless already accomplished.
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Affected Aircraft
Bell Model 204B Helicopters, Serial Numbers 2001 through 2064, with Slider P/N 204-010-720-3 installed, and all spare sliders of that part number.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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