As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT GENERATOR WARNING LIGHT ILLUMINATED ON TAKEOFF ROLL. THE TAKEOFF WAS ABORTED AND THE FLIGHT RETURNED TO THE GATE. MAINTENANCE REPLACED THE LEFT INTEGRATED DRIVEN GENERATOR UNIT WITH A SERVICEABLE PART. RUN-UP AND SYSTEM TEST WERE SATISFACTORY.