CFM International expects the first bench tests of the full-scale core for its LEAP-X next-generation, single-aisle demonstration engine to begin the first week of June at GE Aviation’s Building 500 Development Assembly Center in Evendale, Ohio. That event triggers a three-year push by the GE-Snecma CFM partnership toward full-engine tests in 2012 and the potential certification in 2016 of a successor to the CFM56-5B/7B to power replacement jets for the Boeing 737 and Airbus A320 ...


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