Resumen
We are adopting a new airworthiness directive (AD) for various restricted category helicopters. This AD requires cleaning and visually inspecting certain main rotor (M/R) blades and, depending on the outcome of the inspections, repairing or replacing the M/R blades. This AD was prompted by a report of an M/R blade with multiple fatigue cracks around the blade retention bolt hole. The actions are intended to detect a crack in the M/R blade, and prevent failure of the M/R blade and subsequent loss of helicopter control.
Detalles de la directiva
Número de AD
FAA-2015-3820
Número de documento
2016-27767
Tipo
Rule
Fecha de publicación
November 22, 2016
Fecha de entrada en vigor
December 27, 2016
Fabricante afectado
Various Restricted Category
Criticidad
important
Emergencia
No
Docket ID
Docket No. FAA-2015-3820
Temas
Documentos oficiales
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