As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AN IDG NR 1 CAUTION MESSAGE ON TAKEOFF ROLL. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE INSPECTED THE NR 1 IDG OIL LEVEL. MAINTENANCE PROPERLY SERVICED OIL LEVEL. OPERATIONAL CHECKS WERE PERFORMED. AIRCRAFT WAS RELEASED FOR SERVICE.