AD 48-11-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Scotts-Bell 47 Inc | 47B | Airworthiness Directives; Bell Model 47B Series Helicopters |
| aircraft | Scotts-Bell 47 Inc | 47B3 | Airworthiness Directives; Bell Model 47B Series Helicopters |
Unsafe Condition
The existing main rotor drag brace may fail due to insufficient strength, leading to loss of rotor control and possible separation of the main rotor blades.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install main rotor drag brace Bell P/N 47-110-146-2 in place of the existing part. Refer to Bell Service Bulletin 47C31 for compliance.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
next 25-hour inspection
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Affected Aircraft
Scotts-Bell 47 Inc Model 47B and 47B3 helicopters
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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