Resumo
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.
Detalhes da diretiva
Número da AD
FAA-2020-0554
Número do documento
2020-19906
Tipo
Rule
Data de publicação
September 10, 2020
Data de vigência
October 15, 2020
Fabricante afetado
Leonardo S.p.a.
Criticidade
routine
Emergência
Não
Docket ID
Docket No. FAA-2020-0554
Tópicos
Documentos oficiais
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