What was found
KMIA/SVMC - FLT KYC203 - ON POWER RUN-UP FOR TAKEOFF KMIA, APPROXIMATE 1.6 EPR, NR 1 ENGINE BEGAN TO VIBRATE. REJECTED TAKEOFF, AND MONITORED ENGINE. EGT 500, N1 28 PERCENT, N2 52 PERCENT. UPON INSPECTION AT GATE, FOUND TURBINE FAILURE. ENGINE IS BEING REPLACED. TURBINE FAILURE UNDER FURTHER INVESTIGATION. (X)