AD 73-08-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206A | Airworthiness Directives; Bell Models 206A, 206B, 206A-1 and 206B-1 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206A-1 (OH-58A) | Airworthiness Directives; Bell Models 206A, 206B, 206A-1 and 206B-1 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206B | Airworthiness Directives; Bell Models 206A, 206B, 206A-1 and 206B-1 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206B-1 | Airworthiness Directives; Bell Models 206A, 206B, 206A-1 and 206B-1 Helicopters |
Unsafe Condition
Failure of a pylon support link, P/N 206-031-508-5 or -7, due to bearing inner race exceeding 1.255 inches in diameter or presence of cracks.
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Required Actions
Within ten hours time in service after the effective date, inspect pylon support link assemblies per Bell Service Bulletin 206-01-73-2, Part II. If bearing inner race exceeds 1.255 inches or cracks exist, replace link prior to next flight. Subsequent inspections required every twenty-five hours per Service Bulletin Part III; replace if cracks found.
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Compliance Time
Within ten hours time in service after the effective date of this A.D., unless already accomplished
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Affected Aircraft
Bell Models 206A, 206B, 206A-1 and 206B-1 helicopters equipped with pylon support links P/N 206-031-508-5 or -7
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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