Resumo
We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc., Model BD-100-1A10 airplanes. This AD was prompted by an incident of uncommanded nose wheel steering (NWS) in-service; subsequent investigation revealed that the steering selector valve (SSV) is susceptible to jamming in the open position due to particulate contamination of the hydraulic system. This AD requires modifying the left-hand hydraulic system of the NWS control system and, for certain airplanes, torqueing the fittings on a certain tube assembly. We are issuing this AD to address the unsafe condition on these products.
Detalhes da diretiva
Número da AD
FAA-2018-0792
Número do documento
2019-08915
Tipo
Rule
Data de publicação
May 2, 2019
Data de vigência
June 6, 2019
Fabricante afetado
Bombardier, Inc.,
Criticidade
routine
Emergência
Não
Docket ID
Docket No. FAA-2018-0792
Tópicos
Documentos oficiais
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