Resumo
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 747-400 and 747-400F series airplanes. This AD was prompted by an evaluation that determined fatigue cracks could develop in the underwing longerons. This AD requires repetitive inspections of the underwing longerons and certain fuselage skins for any crack, and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.
Detalhes da diretiva
Número da AD
FAA-2019-0524
Número do documento
2019-23074
Tipo
Rule
Data de publicação
October 23, 2019
Data de vigência
November 27, 2019
Fabricante afetado
The Boeing Company
Criticidade
routine
Emergência
Não
Docket ID
Docket No. FAA-2019-0524
Tópicos
Documentos oficiais
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