Long-term CFM56-7B maintenance costs, Issue 87 Apr/May 2013
Issue 87 Apr/May 2013
There are more than 4,200 737NGs in operation, all powered by the CFM56-7B. The engine’s high EGT margin means shop visit workscope and removal patterns are mainly based around LLP lives. Maintenance reserves for the optimal shop visit pattern for each variant are analysed.