As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5073 - AS THRUST LEVERS WERE ADVANCED FOR TAKEOFF, RECEIVED IDG NR 1 CAUTION. ABORTED TAKEOFF AT 80 KTS. IDG CAUTION EXTINGUISHED AND GEN 1 OFF MESSAGE APPEARED. SERVICED NR 1 IDG IAW AMM 12-13-24, OPS CHECK GOOD, NO FURTHER DEFECTS.