AD 2008-06-22
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France Model EC130 B4 | Airworthiness Directives; Eurocopter France Model EC130 B4 Helicopters |
Unsafe Condition
Debonding between the twist grip drive tubes and the control pinions on the pilot and co-pilot collective levers can lead to loss of cockpit throttle control of the engine, resulting in loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the pilot and co-pilot collective levers for proper bonding between the twist grip drive tubes and the control pinions. If debonding is present, replace the collective levers before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Eurocopter France Model EC130 B4 helicopters with certain twist grip assemblies installed.
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
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