Resumen
The FAA is adopting a new airworthiness directive (AD) for Leonardo S.p.a. (Leonardo) Model AB139 and AW139 helicopters. This AD requires removing certain main gearbox (MGB) input modules from service. This AD was prompted by the discovery that a batch of duplex bearings, which are installed on the MGB input modules, are defective. The actions of this AD are intended to address an unsafe condition on these products.
Detalles de la directiva
Número de AD
FAA-2020-0554
Número de documento
2020-19906
Tipo
Rule
Fecha de publicación
September 10, 2020
Fecha de entrada en vigor
October 15, 2020
Fabricante afectado
Leonardo S.p.a.
Criticidad
routine
Emergencia
No
Docket ID
Docket No. FAA-2020-0554
Temas
Documentos oficiales
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