Resumo
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 747-400 series airplanes. This AD was prompted by a report of a certain modification that causes interference with inspections that are intended to detect fatigue cracks. This AD requires repetitive low frequency eddy current (LFEC) inspections of a certain fuselage upper skin lap splice for cracks, repetitive high frequency eddy current (HFEC) inspections of a certain fuselage upper skin lap splice for cracks, 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-2019-0875
Número do documento
2020-04728
Tipo
Rule
Data de publicação
March 9, 2020
Data de vigência
April 13, 2020
Fabricante afetado
The Boeing Company
Criticidade
routine
Emergência
Não
Docket ID
Docket No. FAA-2019-0875
Tópicos
Documentos oficiais
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