Resumen
We are adopting a new airworthiness directive (AD) for certain Pratt & Whitney (PW) PW4164, PW4168, PW4168A, PW4164-1D, PW4168-1D, PW4168A-1D, and PW4170 turbofan engines. This AD was prompted by crack finds in the 6th stage low-pressure turbine (LPT) disk. This AD requires removal of the affected 6th stage LPT disks. We are issuing this AD to prevent failure of the 6th stage LPT disk, which could lead to an uncontained disk release, damage to the engine, and damage to the airplane.
Detalles de la directiva
Número de AD
FAA-2015-0869
Número de documento
2015-26346
Tipo
Rule
Fecha de publicación
October 23, 2015
Fecha de entrada en vigor
November 27, 2015
Fabricante afectado
Pratt & Whitney Turbofan
Criticidad
important
Emergencia
No
Docket ID
Docket No. FAA-2015-0869
Temas
Documentos oficiales
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