Major upgrade programmes for the CFM56-3/-5B/-7B & V2500-A5, Issue 121 Dec 2018/Jan 2019
Issue 121 Dec 2018/Jan 2019
A series of major modification and upgrade programmes for the CFM56-3, -5B & -7B series; and the V2500-A5 were based on replacing original airfoils and associated hardware with 3D Aero airfoils. The main effects were reduced fuel burn and maintenance costs.