European and U.S. regulators have expanded a software-upgrade mandate to CFM International Leap-1B engines that ensures Boeing 737 Max-powered aircraft will not experience engine-fan-speed issues caused by extremely cold weather. The European Aviation Safety Agency and U.S. FAA mandates, issued Nov. 27 and Dec. 11, respectively, mirror earlier requirements that covered Leap-1A engines that power A320neos. The latest directives require 737 Max-family operators to upgrade full authority ...

THIS CONTENT REQUIRES SUBSCRIPTION ACCESS

You must have an Aviation Week Intelligence Network (AWIN) account or subscribe to this Market Briefing to access "Leap Cold-Soak Software Fix Expanded To -1Bs".

 

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.