AD 68-05-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Brantly International, Inc. | 305 | Airworthiness Directives; BRANTLY Models B-2, B-2A and B-2B Series, and 305 Helicopters |
| aircraft | Brantly International, Inc. | B-2 | Airworthiness Directives; BRANTLY Models B-2, B-2A and B-2B Series, and 305 Helicopters |
| aircraft | Brantly International, Inc. | B-2A | Airworthiness Directives; BRANTLY Models B-2, B-2A and B-2B Series, and 305 Helicopters |
| aircraft | Brantly International, Inc. | B-2B | Airworthiness Directives; BRANTLY Models B-2, B-2A and B-2B Series, and 305 Helicopters |
Unsafe Condition
Failure of the tail rotor drive shaft due to corrosion.
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Required Actions
Inspect the tail rotor drive shaft for corrosion using a borescope and treat with corrosion preventive compound per SB No. B2B-68-2. If corrosion cannot be removed or leaves visible pits, replace the shaft with a compliant part.
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Compliance Time
Within 10 hours' time in service after receipt of this Airworthiness Directive
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Affected Aircraft
Brantly International, Inc. Models B-2, B-2A, B-2B (serials 4-482) and Model 305 (serials 1002-1045)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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