Resumo
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.
Detalhes da diretiva
Número da AD
FAA-2020-0411
Número do documento
2020-20750
Tipo
Rule
Data de publicação
September 22, 2020
Data de vigência
October 27, 2020
Fabricante afetado
Leonardo S.p.a.
Criticidade
routine
Emergência
Não
Docket ID
Docket No. FAA-2020-0411
Tópicos
Documentos oficiais
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