Resumo
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.
Detalhes da diretiva
Número da AD
FAA-2016-9570
Número do documento
2017-08828
Tipo
Rule
Data de publicação
May 4, 2017
Data de vigência
June 8, 2017
Fabricante afetado
The Boeing Company
Criticidade
routine
Emergência
Não
Docket ID
Docket No. FAA-2016-9570
Tópicos
Documentos oficiais
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