Resumen
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.
Detalles de la directiva
Número de AD
FAA-2018-0924
Número de documento
2019-05708
Tipo
Rule
Fecha de publicación
March 26, 2019
Fecha de entrada en vigor
April 30, 2019
Fabricante afectado
Pratt & Whitney Division Turbofan
Criticidad
routine
Emergencia
No
Docket ID
Docket No. FAA-2018-0924
Temas
Documentos oficiales
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