Resumo
We are superseding airworthiness directive (AD) 2007-10-07 for all Turbomeca S.A. Arriel 2B, 2B1, and 2B1A turboshaft engines. AD 2007-10-07 required an inspection of the splines of the coupling assembly and the hydro-mechanical metering unit (HMU) drive gear shaft for wear. This AD requires the same inspection and expands the affected population. This AD also removes Arriel 2B1A engines from the applicability. We are issuing this AD to prevent failure of the HMU drive gear shaft, which could lead to damage to the engine and damage to the airplane.
Detalhes da diretiva
Número da AD
FAA-2006-23809
Número do documento
2014-14951
Tipo
Rule
Data de publicação
June 30, 2014
Data de vigência
August 4, 2014
Fabricante afetado
Turbomeca S.A. Turboshaft
Criticidade
important
Emergência
Não
Docket ID
Docket No. FAA-2006-23809
Tópicos
Documentos oficiais
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