A CFM56-7B installed on a TUIfly 737NG in February 1999 passed 40,654 hr. on wing and 14,000 cycles without a single removal on Dec. 1, setting a record for the engine model. The engine shows such good exhaust gas temperature margins – a key parameter of performance – that TUIfly Flight Operations Director Friedrich Keppler expects it to remain on wing and in service until its first mandatory life limited part removal at about 48,500 hr. As result of the 2007 merger of Hapag-Lloyd ...


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