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CFM56-5A & -5B maintenance cost analysis, Issue 15 Feb/Mar 2001

The CFM56 family has provided airlines with a durable engine with low EGT margin erosion. Despite this, a few problems have prevented the CFM56-5A/B series achieving the smooth on-wing intervals that were expected. An understanding of the engine’s problems and careful planning allows economic maintenance reserves to be realised.

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