AD 2013-02-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Various | Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) Helicopters |
| aircraft | Bell | 206L | Airworthiness Directives; Bell Helicopter Textron Canada Limited (Bell) Helicopters |
Unsafe Condition
Loose nut, shaft, and clevis assembly in hydraulic servo actuator assemblies (servo) due to improper lock washer installation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect each servo to determine if the nut, shaft, or clevis assembly turns independently. Replace the servo if the shaft turns independently. If the shaft does not turn independently, inspect the servo for tab alignment issues and replace the servo if tabs are not aligned and bent flush against flat surfaces. Bend any lock washer tab not flush against a flat surface. Re-identify the servo on the identification plate.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Bell Model 206L, 206L-1, 206L-3, and 206L-4 helicopters with servo part number 206-076-062-103 installed. All serial numbers for Models 206L, 206L-1, and 206L-3; serial numbers 52001 through 52430 for Model 206L-4.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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