CFM Missing On the LEAP-1B Would Be a Major Blow to Boeing 737 MAX

In the last few months, Boeing’s re-engined 737 MAX has quietly run into a bit of trouble. For weeks, sources at the Melun-based engine manufacturer CFM have quietly noted that the LEAP-1B engine that will power the 737 MAX is facing a serious performance shortfall of close to 4-5% in specific fuel consumption (sfc), and the LEAP-1A–that will power some of rival Airbus’ A320neo aircraft–is facing a smaller 2% sfc deficit. (airwaysnews.com) Plus d'info...