AD 2017-19-21
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Model EC225LP | Airworthiness Directives; Airbus Helicopters |
Unsafe Condition
False emergency lubrication system (EMLUB) warning. This condition, when associated with a loss of the main gearbox (MGB) oil pressure, could result in an unnecessary emergency landing or ditching.
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Required Actions
Replace EMLUB glycol pump part number (P/N) 332A32-5051-00 with P/N 332A32-5043-00. Replace EMLUB air pressure switch P/N MA193-00 or MC7014-0-00 with P/N MC7014-1-00, and replace EMLUB glycol pressure switch P/N MA194-01 or MC7015-0-00 with P/N MC7015-1-00. Modify and re-identify the helicopter wiring harness. Replace MGB lubrication cards as specified.
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Compliance Time
Within 500 hours time-in-service
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Affected Aircraft
Airbus Helicopters Model EC225LP helicopters, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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