AD 80-25-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Columbia Helicopters, Inc. | 107-II | Airworthiness Directives; BOEING VERTOL (VERTOL) Model 107-II Helicopters |
Unsafe Condition
Fatigue failure of the main rotor tension-torsion strap assemblies Part No. 107R2003-1.
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Required Actions
Remove from service tension-torsion strap assemblies Part No. 107R2003-1 upon the accumulation of 27,800 hours in service and replace with an airworthy part meeting this AD's requirements.
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Compliance Time
27,800 hours in service
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Affected Aircraft
BOEING VERTOL (VERTOL) Model 107-II helicopters certificated in all categories.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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