AD 2010-22-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Eurocopter Deutschland GmbH Model MBB-BK 117 C-2 Helicopters |
Unsafe Condition
Separation of dynamic weights from the control lever, leading to considerable vibrations and potential loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Mark the position of the weights, remove split pins and weights, and visually inspect the tail rotor control lever for score marks, notching, scratching, or cracks. Replace the tail rotor control lever if defects exceed limits or if a crack is found. Reidentify the tail rotor head, head assembly, and drive system with new part numbers. Replace the control levers within 100 hours time-in-service unless already done.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight for initial inspection; within 100 hours time-in-service for control lever replacement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Eurocopter Deutschland GmbH Model MBB-BK 117 C-2 helicopters with tail rotor control lever B642M1009103 installed, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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