AD 2014-20-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters | Airworthiness Directives; Airbus Helicopters, Inc. (Previously Eurocopter France) Helicopters |
Unsafe Condition
Cracks in the junction frame developing in the plane of the rivet head countersink on the right-hand side of the Fenestron and spreading to the web of the frame, which could lead to structural failure resulting in Fenestron detachment and subsequent loss of control of the helicopter.
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Required Actions
Repetitively inspect the entire circumference of the junction frame for a crack by complying with specified portions of the manufacturer's service bulletin. Replace the junction frame if a crack is found. Prohibit installing a tailboom without MOD 073880 on any helicopter.
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Compliance Time
Within 10 hours time-in-service (TIS) for initial inspection and corrective actions if a crack is found.
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Affected Aircraft
Airbus Helicopters, Inc. (previously Eurocopter France) Model EC130B4 helicopters, except those with Modification (MOD) 073880, those with MOD 074609, or those that have been repaired in accordance with certain Repair Design Approval Sheets.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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