Resumen
We are adopting a new airworthiness directive (AD) for MD Helicopters, Inc. (MDHI), Model MD900 helicopters. This AD requires an eddy current inspection of the main rotor upper hub assembly (upper hub) for a crack and replacing the upper hub with an airworthy upper hub before further flight if there is a crack. This AD is prompted by a report of cracks on an upper hub at the blade attach holes. The actions specified by this AD are intended to detect a crack in the upper hub to prevent failure of the upper hub and subsequent loss of control of the helicopter.
Detalles de la directiva
Número de AD
FAA-2014-0514
Número de documento
2014-18163
Tipo
Rule
Fecha de publicación
August 5, 2014
Fecha de entrada en vigor
August 20, 2014
Fabricante afectado
MD Helicopters, Inc.,
Criticidad
important
Emergencia
No
Docket ID
Docket No. FAA-2014-0514
Temas
Documentos oficiales
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