Resumo
We are adopting a new airworthiness directive (AD) for MD Helicopters, Inc. (MDHI), Model MD900 helicopters. This AD requires an eddy current inspection of the main rotor upper hub assembly (upper hub) for a crack and replacing the upper hub with an airworthy upper hub before further flight if there is a crack. This AD is prompted by a report of cracks on an upper hub at the blade attach holes. The actions specified by this AD are intended to detect a crack in the upper hub to prevent failure of the upper hub and subsequent loss of control of the helicopter.
Detalhes da diretiva
Número da AD
FAA-2014-0514
Número do documento
2014-18163
Tipo
Rule
Data de publicação
August 5, 2014
Data de vigência
August 20, 2014
Fabricante afetado
MD Helicopters, Inc.,
Criticidade
important
Emergência
Não
Docket ID
Docket No. FAA-2014-0514
Tópicos
Documentos oficiais
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