AD 2014-03-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Agusta | S.p.A. | Airworthiness Directives; Agusta S.p.A. Helicopters |
Unsafe Condition
In-flight contact between the top cable cutter assembly and main rotor (M/R) blades, which could result in damage to the M/R blades and subsequent loss of helicopter control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the WSPS upper installation, including the top cable cutter assembly. Either rework the top cable cutter assembly according to specified instructions and re-identify it, or replace it with a reworked and re-identified assembly. Do not install a top cable cutter assembly unless it has been reworked and re-identified.
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Compliance Time
Within 200 flight hours
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Affected Aircraft
Agusta S.p.A. Model AB139 and AW139 helicopters with a wire strike protection system (WSPS) top cable cutter assembly, part number (P/N) 423-83001-1, installed, which is part of the WSPS, P/N 4G9540F00211 or P/N 4G9540F00311.
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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