Resumen
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.
Detalles de la directiva
Número de AD
FAA-2013-0489
Número de documento
2015-13852
Tipo
Rule
Fecha de publicación
June 9, 2015
Fecha de entrada en vigor
July 14, 2015
Fabricante afectado
Bell Helicopter Textron Canada Limited
Criticidad
important
Emergencia
No
Docket ID
Docket No. FAA-2013-0489
Temas
Documentos oficiales
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