EASA AD US-2019-09-02
Engine Oil / Aircraft Fuel System - Oil / Fuel Check Valves - Replacement
Airworthiness Directive 2019-09-02 is a final rule issued by the Federal Aviation Administration addressing Bell Helicopter Textron, Inc. models 212, 412, 412CF, and 412EP. It mandates the replacement of certain engine oil and fuel check valves manufactured by Circor Aerospace, which have been found to crack or leak, potentially causing engine failure or fire. This directive expands previous requirements to include all affected helicopter models to ensure continued airworthiness and safety.
Airworthiness DirectiveMaintenanceSafety MgmtBell Textron Inc. (Bti) 212Bell Textron Inc. (Bti) 412Bell Helicopter Textron 212Bell Helicopter Textron 412Bell Helicopter Textron 412CFBell Helicopter Textron 412EP