Resumo
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.
Detalhes da diretiva
Número da AD
FAA-2015-3820
Número do documento
2016-27767
Tipo
Rule
Data de publicação
November 22, 2016
Data de vigência
December 27, 2016
Fabricante afetado
Various Restricted Category
Criticidade
important
Emergência
Não
Docket ID
Docket No. FAA-2015-3820
Tópicos
Documentos oficiais
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