CFM56-7B Engine Sets New First-Run World Record

CFM56-7B Engine Sets New First-Run World Record: First Engine To Achieve 50,000 Flight Hours Without A Shop Visit German airline TUIfly and CFM International marked a new first-run time-on-wing world record set by a CFM56-7B engine powering one of the airlines Boeing Next-Generation 737-800 aircraft. The engine logged more than 50,000 hours without a shop visit.