AD T84-18-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron, Inc. | 214ST | Airworthiness Directives; BELL HELICOPTER TEXTRON, INCORPORATED Model 214ST Helicopters |
Unsafe Condition
Failure of the main rotor spindles P/N 214-010-103-003 due to cracking or fatigue.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove from service spindles with 1250 or more hours time in service by October 15, 1984, and thereafter every 1250 hours. Perform daily inspections using Bell Alert Service Bulletin 214ST-84-24 or approved procedure. Replace spindles with 1250+ hours within 150 hours or by October 15, 1984, whichever comes first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 150 hours time in service or October 15, 1984, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bell Helicopter Textron, Inc. Model 214ST helicopters equipped with main rotor spindles P/N 214-010-103-003.
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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