The US National Transportation Safety Board (NTSB) will hold an investigative hearing Nov. 14 focused on the CFM International engine model involved an inflight engine failure earlier this year on a Southwest Airlines Boeing 737-700. The one-day hearing at the board’s headquarters in Washington DC will consider the CFM56-7 series engine fan blade design and development history; fan blade inspection methods and procedures; and fan blade containment design and certification criteria, ...

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