Resumo
We are adopting a new airworthiness directive (AD) for Bell Model 427 and Model 429 helicopters. This AD requires replacing certain engine and transmission oil check valves. This AD also prohibits installing the affected check valves on any helicopter. This AD is prompted by a report of several cracked or leaking check valves. These actions are intended to detect and prevent a cracked or leaking check valve which could result in loss of lubrication to the engine or transmission, failure of the engine or transmission, and subsequent loss of control of the helicopter.
Detalhes da diretiva
Número da AD
FAA-2016-9144
Número do documento
2016-23345
Tipo
Rule
Data de publicação
September 30, 2016
Data de vigência
October 17, 2016
Fabricante afetado
Bell Helicopter Textron Canada Limited (Bell)
Criticidade
important
Emergência
Não
Docket ID
Docket No. FAA-2016-9144
Tópicos
Documentos oficiais
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