Mango Airlines signs Lufthansa Technik for maintenance of CFM56-7B engines powering its Boeing 737NG aircraft fleet MRO Business Today 23:03 Mango Airlines signs Lufthansa Technik for maintenance of CFM56-7B engines powering its Boeing 737NG aircraft fleet Mango Airlines, a state-owned South African low-cost airline has signed an exclusive contract with Lufthansa Technik AG for the maintenance of CFM56-7B engines, which power the airline's fleet of ten Boeing 737NG aircraft. Under the agreeme Share this Share on FacebookTweet on TwitterPlus on Google+