AD 2013-26-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France | Airworthiness Directives; Eurocopter France Helicopters |
Unsafe Condition
Corrosion or a crack in the stationary or rotating swashplate of the MRH assembly, which could lead to failure of the swashplate and subsequent loss of helicopter control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect the rotating and stationary swashplates for corrosion or a crack. If a crack exists, replace the MRH assembly. If corrosion exists without cracking, install a placard and revise the flight manual, then replace the MRH assembly within 150 hours TIS or 6 months after corrosion detection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 110 hours time-in-service (TIS) or before the MRH assembly accumulates 1,320 hours TIS, whichever occurs later, and thereafter at intervals not to exceed 1,320 hours TIS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Eurocopter France Model EC225LP helicopters with a main rotor hub (MRH) assembly with a rotating swashplate, part number (P/N) 332A31-3074-00 or 332A31-3076-00, and stationary swashplate, P/N 332A31-3079-00 or 332A31-3079-01, installed.
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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