What was found
REJECTED T/O, 10 KTS, 132,500 GW., 21 C, & 880 PRESS ALT. THIS WAS NOT AN HIGH ENERGY STOP PER MX. MULTI-LIGHT TRIP OFF OF NR 3 GEN WITH BUSS TIE BREAKERS TRIPPING OFF. OVER EXCITATION ON NR 1 GEN. OVER EXCITATION ON NR 2 GSU, UNDER EXCITATION ON NR 3 GEN ONLY NR 3 FIELD TRIPPED. DEFERRED NR 3 GEN PER MEL 24-1, DMI 13257 ASSIGNED BY MX CONTROL, ACCOMPLISHED MX PROCEDURE PER MEL. VERIFIED NORMAL OPERATION NR 1 & 2 GEN FULL LOAD AND NO WATER IN E&E COMPT. MULTI-LIGHT TRIP OFF OF NR 3 GEN, WITH B & B'S TRIPPING OFF OVER EXCITATION ON NR 2 GEN UNDER EXCITATION ON NR 3 GEN. ONLY NR 3 FIELD TRIPPED. REMOVED AND REPLACED NR 3 ENGINE GEN VOLTAGE REGULATOR. SYSTEM OPS CHECKED GOOD ON ENGINE RUN.