Resumen
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.
Detalles de la directiva
Número de AD
FAA-2019-0875
Número de documento
2020-04728
Tipo
Rule
Fecha de publicación
March 9, 2020
Fecha de entrada en vigor
April 13, 2020
Fabricante afectado
The Boeing Company
Criticidad
routine
Emergencia
No
Docket ID
Docket No. FAA-2019-0875
Temas
Documentos oficiales
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