AD 2003-08-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France Model EC120B | Airworthiness Directives; Eurocopter France Model EC120B Helicopters |
Unsafe Condition
Attachments of the cyclic pitch flight control torque tube were fastened with a single-locking device instead of the intended double-locking device, which could lead to separation of the cyclic pitch stick yokes from the torque tube and loss of cyclic control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the attachment of the bolted assemblies of the torque tube for an appropriate locking device. Tighten self-locking nuts if necessary and modify the torque tube after a specified time if a bolted assembly is single-locked.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Not specified in the provided text.
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Affected Aircraft
Eurocopter France Model EC120B 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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