Airbus A220 operators are being urged to monitor Pratt & Whitney PW1500G low-pressure compressor (LPC) operating performance following a mandated upgrade to full authority digital electronic control (FADEC) to prevent compressor stalls.
The release of the second draft on April 24 by the Air Force Lifecycle Management Center moves the competition closer to a formal bidding phase scheduled to begin later this year.
Operators of Pratt & Whitney-powered Airbus A320neos face fast-tracked inspection mandates to help eliminate the risk of engine turbine blade fractures caused by mid-frame turbine piston seal debris that have been plaguing older blades.
