AD Amdt-39-11217
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | Deutschland (Eurocopter) Model EC135 | Airworthiness Directives; Eurocopter Deutschland (Eurocopter) Model EC135 Helicopters |
Unsafe Condition
Fatigue cracks in the main rotor hub shaft could lead 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
Initial and repetitive visual inspections, as well as one dye-penetrant inspection, of the main rotor hub shaft must be conducted. If a crack is found, the shaft must be replaced with an airworthy shaft before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight if a crack is found.
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Affected Aircraft
Eurocopter Deutschland (Eurocopter) Model EC135 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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