AD 78-20-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron, Inc. | 204B | Airworthiness Directives; Bell Model 204B, 205A-1 and model 212 Helicopters |
| aircraft | Bell Helicopter Textron, Inc. | 205A-1 | Airworthiness Directives; Bell Model 204B, 205A-1 and model 212 Helicopters |
| aircraft | Bell Helicopter Textron, Inc. | 212 | Airworthiness Directives; Bell Model 204B, 205A-1 and model 212 Helicopters |
Unsafe Condition
Failure of a fitting due to a crack in the thrust shoulder radius.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove main rotor inboard strap fittings with 1,100 or more hours total time in service within 100 hours time in service. Remove fittings with less than 1,100 hours total time in service prior to attaining 1,200 hours time in service. Reduce retirement time of fittings P/N 204-012-102-5 and 212-010-103-5 from 3,000 to 1,200 hours time in service.
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Compliance Time
Within 100 hours time in service or prior to attaining 1,200 hours time in service as specified.
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Affected Aircraft
Bell Model 204B and 205A-1 helicopters equipped with fittings P/N 204-012-102-5, and model 212 helicopters equipped with fittings P/N 212-010-103-5.
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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