AD 78-21-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron, Inc. | 204B | Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters |
| aircraft | Bell Helicopter Textron, Inc. | 205A | Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters |
| aircraft | Bell Helicopter Textron, Inc. | 205A-1 | Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters |
| aircraft | Bell Helicopter Textron, Inc. | 212 | Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters |
Unsafe Condition
The Chadwick, Inc. load cell link assembly P/N 47-40200-19 may fail during external-load operations over congested or densely populated areas.
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Required Actions
Replace Chadwick, Inc. load cell link assembly P/N 47-40200-19 with parts approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Northwest Region.
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Compliance Time
Prior to further flight involving external-load operations over congested or densely populated areas
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Affected Aircraft
Bell Helicopter Textron, Inc. Models 204B, 205A, 205A-1, and 212 modified by Chadwick, Inc. STC's SH149WE or SH17NW.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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