CFM International has successfully started ground testing of the first LEAP-1B engine.  The LEAP-1B will be exclusive engine for the Boeing 737 MAX. CFM ran the engine for the first time on June 13, three days ahead of schedule. The LEAP-1B engine, installed in a test cell at Snecma (Safran) facilities in Villaroche, France, successfully completed a series of break-in runs before …

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