Resumen
The FAA is adopting a new airworthiness directive (AD) for certain Leonardo S.p.a. (Leonardo) Model A119 and AW119 MKII helicopters. This AD requires repetitive borescope inspections of the tail rotor gearbox (TGB) and depending on the inspection results, removing the TGB from service. This AD was prompted by reports of corrosion on the internal surface of the 90-degree TGB output shaft. The actions of this AD are intended to address an unsafe condition on these products.
Detalles de la directiva
Número de AD
FAA-2020-0411
Número de documento
2020-20750
Tipo
Rule
Fecha de publicación
September 22, 2020
Fecha de entrada en vigor
October 27, 2020
Fabricante afectado
Leonardo S.p.a.
Criticidad
routine
Emergencia
No
Docket ID
Docket No. FAA-2020-0411
Temas
Documentos oficiales
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