Resumo
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Model AS-365N2, AS 365N3, EC 155B, EC155B1, and SA-365N1 helicopters. This AD requires modifying the main gearbox (MGB) tail rotor (T/R) drive flange installation. This AD was prompted by several reported occurrences of loss of tightening torque of the Shur-Lok nut, which serves as a retainer of the T/R drive flange. The actions of this AD are intended to address an unsafe condition on these products.
Detalhes da diretiva
Número da AD
FAA-2020-0410
Número do documento
2020-22241
Tipo
Rule
Data de publicação
October 8, 2020
Data de vigência
November 12, 2020
Fabricante afetado
Airbus
Criticidade
routine
Emergência
Não
Docket ID
Docket No. FAA-2020-0410
Tópicos
Documentos oficiais
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