Fragments of the S17 V-seal had caused damage to the exit guide vanes and were also located in the cooling air side of the stage 1 nozzle. MD&A removed the damaged S17 segmented stator vane and V ...

MTU Maintenance is moving toward using its proprietary high-pressure turbine nozzle guide vane airfoil replacement repair for engines other than the CFM56-5B and CFM56-7, for which it was ...