AD 2006-08-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Brantly | International, Inc. Model B-2, B-2A, and B-2B | Airworthiness Directives; Brantly International, Inc. Model B-2, B-2A, and B-2B Helicopters |
Unsafe Condition
Fatigue cracking of the vertical shaft, potentially caused by misalignment, leading to shaft failure and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and measure the upper tail rotor vertical gearbox, vertical shaft, shaft housing, and associated parts, including the intermediate gearbox bushing. Replace any unairworthy parts found during inspection. Ensure proper alignment and installation of the gearbox, shaft, and housing without adjustment. Report discrepancies to the Rotorcraft Certification Office within 7 work days.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 10 hours time-in-service (TIS) and before further flight after any hard landing or main/tail rotor sudden stoppage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Brantly International, Inc. Model B-2, B-2A, and B-2B helicopters, serial number 2001 and larger, or any helicopter with part number 249-10 installed and purchased after 1994.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.