Resumen
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.
Detalles de la directiva
Número de AD
FAA-2020-0410
Número de documento
2020-22241
Tipo
Rule
Fecha de publicación
October 8, 2020
Fecha de entrada en vigor
November 12, 2020
Fabricante afectado
Airbus
Criticidad
routine
Emergencia
No
Docket ID
Docket No. FAA-2020-0410
Temas
Documentos oficiales
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