CFM Leap-1B engine misses SFC spec by 4-5%; -1A 2% Valve modulating HPT cooling failed more than once; nacelle showing heat damage 737 MAX total COC per seat advantage narrows from 8% to 3-4% A320neo Space-Flex’s 3 extra seats further reduce differential to 1-2% 737 MAX 9 range drops to 3,415nm; MAX 8 to 3,439nm […]
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