As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL AUTO THROTTLES WERE ADVANCING AND ADS 3 FAIL ON EICAS ILLUMINATED, CREW ABORTED TAKEOFF RETURNED TO THE GATE. MAINTENANCE CYCLED THE A/C ELECTRICAL POWER AND RETURNED AIRCRAFT TO SERVICE. THE AIRCRAFT HAS CONTINUED IN SERVICE WITHOUT REPEAT PROBLEM.