As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 7820 CMH TO MTR - DURING TAKEOFF ROLL AT 80KTS, THE CREW REPORTED SEEING WHITE SMOKE IN THE COCKPIT AND CABIN. AT THAT TIME, THE CREW DECIDED TO ABORT TAKEOFF AND RETURN TO GATE WITHOUT INCIDENT. MAINTENANCE ARRIVED AND CONDUCTED AN ENGINE RUN AND NOTED WHEN THROTTLES WERE ADVANCED SMOKE BECAME PRESENT AND HAD AN OIL BURNING SMELL. MAINTENANCE REPLACED THE NR 1 ENGINE AND CONDUCTED A FUNCTIONAL TEST WITH NO DEFECTS NOTED.