LOS ANGELES—CFM International said it is redesigning the bearing in the radial drive shaft of the LEAP-1B—which powers the Boeing 737 MAX—after five incidents in which an engine was shut down inflight following activation of the oil filter bypass light indication in the cockpit. The action comes as EASA issued an airworthiness directive (AD) mandating recurring inspections of the transfer gearbox modules (TGB) 1 and TGB2 scavenge screens, which ...


You must have an Aviation Week Intelligence Network (AWIN) account or subscribe to this Market Briefing to access "CFM Tackles Drive Shaft Bearing Issue On LEAP-1B Engine".


Current Aviation Week Intelligence Network (AWIN) enterprise and individual members: please go to http://awin.aviationweek.com for access.


Not currently a subscriber? Click on the "Learn More" button below to view subscription offers.

Already registered? here.