AD 2013-23099
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Various | Airworthiness Directives; Bell Helicopter Textron, Inc., Helicopters |
| aircraft | Bell | Helicopter Textron | Airworthiness Directives; Bell Helicopter Textron, Inc., Helicopters |
Unsafe Condition
Failure of the pylon support spindle assembly (spindle) due to corrosion, nick, scratch, dent, or crack, which could lead to loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Create a component history card or equivalent record for certain spindle assemblies. Replace any spindle that has reached its airworthiness retirement life. Establish a new retirement life for spindles installed on Model 214B and 214B-1 helicopters. Reduce the retirement life for spindles installed on Model 214ST helicopters.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 hours time-in-service (TIS) from the effective date.
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Affected Aircraft
Bell Helicopter Textron, Inc., Model 214B, 214B-1, and 214ST helicopters with certain pylon support spindle assemblies installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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