Alaska Airlines signs CFM56-7B engines support contract with CFM International MRO Business Today 22:10 Alaska Airlines signs CFM56-7B engines support contract with CFM International Alaska Airlines has signed a nine-year Rate Per Flight Hour (RPFH) maintenance agreement with CFM International, a joint venture between GE Aviation and Safran Aircraft Engines to support 128 CFM56-7B engines that power the airline's s flee Share this Share on FacebookTweet on TwitterPlus on Google+