Resumo
We are adopting a new airworthiness directive (AD) for all General Electric Company (GE) GE90-76B, GE90-77B, GE90-85B, GE90-90B, and GE90-94B turbofan engines with high-pressure compressor (HPC) stage 8-10 spool, part numbers (P/Ns) 1694M80G04, 1844M90G01, or 1844M90G02, installed. This AD was prompted by reports of cracks found on the seal teeth of the HPC stage 8-10 spool. This AD requires eddy current inspections (ECIs) or fluorescent penetrant inspections (FPIs) of the HPC stage 8-10 spool seal teeth and removing from service those parts that fail inspection. We are issuing this AD to prevent failure of the HPC stage 8-10 spool, uncontained rotor release, damage to the engine, and damage to the airplane.
Detalhes da diretiva
Número da AD
FAA-2016-5307
Número do documento
2016-23740
Tipo
Rule
Data de publicação
September 30, 2016
Data de vigência
November 4, 2016
Fabricante afetado
General Electric Company Turbofan
Criticidade
important
Emergência
Não
Docket ID
Docket No. FAA-2016-5307
Tópicos
Documentos oficiais
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