Resumo
We are adopting a new airworthiness directive (AD) for certain Pratt & Whitney Division (PW) PW4158 turbofan engines. This AD was prompted by several reports of high cycle fatigue (HCF) cracks found in the fuel nozzle supply manifold. This AD requires replacement of the affected fuel nozzles and fuel nozzle manifold supply assemblies with parts eligible for installation. This AD also requires installation of new brackets and clamps on the fuel nozzle supply manifold assemblies. We are issuing this AD to address the unsafe condition on these products.
Detalhes da diretiva
Número da AD
FAA-2018-0924
Número do documento
2019-05708
Tipo
Rule
Data de publicação
March 26, 2019
Data de vigência
April 30, 2019
Fabricante afetado
Pratt & Whitney Division Turbofan
Criticidade
routine
Emergência
Não
Docket ID
Docket No. FAA-2018-0924
Tópicos
Documentos oficiais
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