Resumo
We propose to adopt a new airworthiness directive (AD) for all Pratt & Whitney Division (PW) PW4052, PW4056, PW4060, PW4062, PW4062A, PW4152, PW4156A, PW4158, PW4460, and PW4462 turbofan engine models, including engines identified with suffixes -1C, -1E, -3, -3A, or -3B. This proposed AD was prompted by the discovery of multiple cracked 4th stage low-pressure turbine (LPT) air seals in the fleet. This proposed AD requires removal from service of certain air seals. We are proposing this AD to correct the unsafe condition on these products.
Detalhes da diretiva
Número da AD
FAA-2017-0817
Número do documento
2017-21558
Tipo
Proposed Rule
Data de publicação
October 12, 2017
Encerramento dos comentários
November 27, 2017
Fabricante afetado
Pratt & Whitney Division Turbofan
Criticidade
routine
Emergência
Não
Docket ID
Docket No. FAA-2017-0817
Tópicos
Documentos oficiais
Acompanhamento automatizado de conformidade de ADs
O AeroCopilot vincula ADs à sua aeronave e rastreia o status de conformidade. Incluído em todo plano a partir de US$ 7,99 por mês.
Unlock AD-to-aircraft matching, compliance tracking, recurrence schedule with a free AeroCopilot account.
Sign up free to unlock AD-to-aircraft matching, compliance tracking, recurrence scheduleFree forever · No credit card · Sourced directly from FAA & NOAA pipelines