CFM LEAP Engine Bottleneck Delays A320neo, 737 MAXCFM's LEAP engine bottleneck caused a 16% drop in Airbus Q1 deliveries, delaying new A320neo and Boeing 737 MAX aircraft for airlines globally.May 12, 2026•6 min•CFM InternationalAirbus A320neoBoeing 737 MAXSupply ChainLEAP EngineManufacturing