As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAKEOFF ABORTED DUE TO NR 1 GENERATOR TRIPPED OFF LINE. CHECKED NR 1 CSD OIL LEVEL, DP INDICATOR, FOUND NORMAL. CHECKED APU OIL QUANTITY. DISCONNECTED NR 1 CSD AND PLACED NR 1 GENERATOR ON MEL 24-1. REPLACED NR 1 ENGINE GENERATOR CONTROL UNIT PER MM 24-20 AND OPS CHECKED NORMAL.