Resumo
We are adopting a new airworthiness directive (AD) for all Rolls-Royce plc (RR) RB211-535E4-37, RB211-535E4-B-37, and RB211-535E4- C-37 turbofan engines. This AD requires reducing the cyclic life limits for certain high-pressure turbine (HPT) disks, removing those disks that have exceeded the new life limit, and replacing them with serviceable parts. This AD was prompted by RR updating the life limits for certain HPT disks. We are issuing this AD to prevent failure of the HPT disk, which could result in uncontained disk release, damage to the engine, and damage to the airplane.
Detalhes da diretiva
Número da AD
FAA-2015-0593
Número do documento
2015-21729
Tipo
Rule
Data de publicação
October 28, 2015
Data de vigência
December 2, 2015
Fabricante afetado
Rolls-Royce plc Turbofan
Criticidade
important
Emergência
Não
Docket ID
Docket No. FAA-2015-0593
Tópicos
Documentos oficiais
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