AD 85-23-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron, Inc. | 214B | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 214B and 214ST Series Helicopters |
| aircraft | Bell Helicopter Textron, Inc. | 214B-1 | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 214B and 214ST Series Helicopters |
| aircraft | Bell Helicopter Textron, Inc. | 214ST | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. Model 214B and 214ST Series Helicopters |
Unsafe Condition
Failure of the collective sleeve due to undetected cracks.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a magnetic particle inspection of the sleeves using Bell Alert Service Bulletins 214-84-26 or 214ST-84-17, remove paint and primer as specified, and replace cracked sleeves. Repeat inspections every 250 hours time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight after receipt of this AD, unless previously accomplished, and thereafter at 250 hour intervals.
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Affected Aircraft
Bell Helicopter Textron, Inc. Model 214B and 214ST series helicopters with collective sleeve part numbers 214-010-411-001 or -003, serial numbers Al9-00001 through Al9-00738 or A-1 through A-10.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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