AD 2004-24-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada Model 206A | Airworthiness Directives; Bell Helicopter Textron Canada Model 206A, B, L, L-1, L-3, and L-4 Helicopters |
| aircraft | Bell | Helicopter Textron Canada Model 206A | Airworthiness Directives; Bell Helicopter Textron Canada Model 206A, B, L, L-1, L-3, and L-4 Helicopters |
Unsafe Condition
Skin cracks originating near the blade trailing edge balance weight, leading to a loss of the weight and a strip of material along the trailing edge, causing an imbalance and fracture of tail rotor gearbox attachment bolts, which could result in blade failure and subsequent loss of control of the helicopter.
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Required Actions
Inspect each tail rotor blade for deformation, cracks, and bent or deformed weights using a 10X or higher magnifying glass. Replace any blade found with a deformation, crack, or bent/deformed weight with an airworthy blade before further flight. Perform inspections at intervals not exceeding 12 hours time-in-service (TIS), or at 24-hour intervals with additional 3-hour TIS checks between inspections.
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Compliance Time
Before further flight
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Affected Aircraft
Bell Helicopter Textron Canada Model 206A, B, L, L-1, L-3, and L-4 helicopters with certain blade part numbers and serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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