AD 2000-06-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | Deutschland GMBH Model MBB-BK 117 | Airworthiness Directives; Eurocopter Deutschland GMBH Model MBB-BK 117 Helicopters |
Unsafe Condition
Fatigue failure of the tail rotor (output) drive bevel gear due to installation of different tail rotor blades.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Change the retirement life for the tail rotor (output) drive bevel gear as specified by the manufacturer's instructions.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Eurocopter Deutschland GMBH Model MBB-BK 117 helicopters
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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