AD 83-03-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206L | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC Model 206L and 206L-1 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206L-1 | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC Model 206L and 206L-1 Helicopters |
Unsafe Condition
Incorrect installation of the shear head release piston pin in the float inflation valve assembly may cause the emergency flotation equipment to fail to deploy properly.
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Required Actions
Disconnect the battery, bleed nitrogen gas from the cylinder, remove and inspect the shear head release piston pin for correct installation orientation. If incorrectly installed, discard the shear head, install a new one with '0' rings, torque to 20 foot-pounds, and reinstall the piston pin correctly. Alternatively, use X-ray inspection if equipment is available to avoid disassembly.
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Compliance Time
within 150 hours' time in service after the effective date of this AD
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Affected Aircraft
Bell Helicopter Textron Inc. Model 206L and 206L-1 helicopters equipped with emergency flotation equipment kits P/N 206-706-067-1, -5, -101, 206-706-210-101, and -103.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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