As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ABORTED TAKEOFF AT INITIAL POWER UP ABOUT 20KTS ON TAKEOFF ROLL. CREW RECEIVED A TAKEOFF AURAL WARNING CONFIGURATION HORN AND LIGHT. RETURNED TO THE GATE. MAINTENANCE EVALUATED, PERFORMED A CHECK OF TAKE OF CONFIGURATION IAW AMM 31-51-00, AIRCRAFT WAS CLEARED FOR DEPARTURE.