AD 67-09-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Brantly International, Inc. | B-2 | Airworthiness Directives; BRANTLY Models B-2, B-2A, and B-2B Helicopters |
| aircraft | Brantly International, Inc. | B-2A | Airworthiness Directives; BRANTLY Models B-2, B-2A, and B-2B Helicopters |
| aircraft | Brantly International, Inc. | B-2B | Airworthiness Directives; BRANTLY Models B-2, B-2A, and B-2B Helicopters |
Unsafe Condition
The Fafnir P/N 212K bearing installed on the upper main rotor mast may have insufficient service life and reliability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the Fafnir P/N 212K bearing and replace it with an Indiana Gear Works P/N 4524A56, Revision E, sealed bearing as prescribed by Brantly Helicopter Company Service Bulletin No. 21 and applicable maintenance manuals.
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Compliance Time
within the next 100 hours' time in service after the effective date of this AD
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Affected Aircraft
Brantly International, Inc. Models B-2, B-2A, and B-2B Helicopters with P/N B2-324 Transmission Serial Numbers prior to Serial Number 307.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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