AD 2014-02-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France | Airworthiness Directives; Eurocopter France Helicopters |
Unsafe Condition
A crack in the fittings that attach the upper fin to the fenestron could result in loss of the upper fin during flight 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
Repetitively inspect the lower and upper front and rear fittings for a crack using an appropriate light source and magnifying glass, or high-resolution digital camera/dye-penetrant inspection. If a crack is found, remove all four fittings from service before further flight. Within 180 hours time-in-service, remove all fittings from service. Do not install the specified fittings on any helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 15 hours time-in-service and thereafter at intervals not to exceed 55 hours time-in-service for inspections. Within 180 hours time-in-service for removal of fittings.
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Affected Aircraft
Eurocopter France Model EC 155B and EC155B1 helicopters with specific part-numbered fittings installed: lower front fitting P/N 365A23-4240-01, upper front fitting P/N 365A23-4242-01, lower rear fitting P/N 365A23-4241-01, and upper rear fitting P/N 365A23-4243-01.
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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