Resumen
We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 707 airplanes and Model 720 and 720B series airplanes. This AD was prompted by a determination that undetected web fatigue cracking caused by oil canning may exist in the aft pressure bulkhead web. This AD requires repetitive detailed inspections for any oil canning or cracking of the aft pressure bulkhead web, and corrective actions if necessary. We are issuing this AD to address the unsafe condition on these products.
Detalles de la directiva
Número de AD
FAA-2016-9570
Número de documento
2017-08828
Tipo
Rule
Fecha de publicación
May 4, 2017
Fecha de entrada en vigor
June 8, 2017
Fabricante afectado
The Boeing Company
Criticidad
routine
Emergencia
No
Docket ID
Docket No. FAA-2016-9570
Temas
Documentos oficiales
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