AD 2015-11-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Various | Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) Helicopters |
Unsafe Condition
Inadvertent locking and unlocking of the collective pitch lever, which could result in subsequent 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 collective pitch lever for correct locking and unlocking conditions. If required, adjust the collective pitch lever restraining tab and, for certain models, adjust the collective link rods. Inspect the collective pitch lever for the risk of inadvertent locking by measuring the clearance between the locking pin and the L-section of the restraining tab. If required, modify the tab with a slight bend.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the specified compliance time unless already accomplished prior to that time.
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Affected Aircraft
Airbus Helicopters (previously Eurocopter France) Model EC 155B, EC155B1, SA-365N, SA-365N1, AS-365N2, AS 365 N3, and SA-366G1 helicopters, except those with modification (MOD) 0767B65 installed.
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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