Resumo
We are adopting a new airworthiness directive (AD) for certain Bell Helicopter Textron Canada Limited (Bell) Model 206L-1, 206L-3, and 206L-4 helicopters. This AD requires installing a placard and revising the limitations section of the rotorcraft flight manual (RFM). This AD was prompted by several incidents of third stage engine turbine wheel failures caused by excessive vibrations at certain engine speeds during steady-state operations. The actions of this AD are intended to prevent turbine failure, engine power loss, and subsequent loss of control of the helicopter.
Detalhes da diretiva
Número da AD
FAA-2013-0489
Número do documento
2015-13852
Tipo
Rule
Data de publicação
June 9, 2015
Data de vigência
July 14, 2015
Fabricante afetado
Bell Helicopter Textron Canada Limited
Criticidade
important
Emergência
Não
Docket ID
Docket No. FAA-2013-0489
Tópicos
Documentos oficiais
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