As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - ABORTED T/O - FLT 644 - S - UPON RELEASE OF BRAKES FLIGHT CREW RECEIVED AMBER WARNING MESSAGES FOR INBOARD AND OUTBOARD ANTI-SKID CHANNELS INOPERATIVE AND AUTO-BRAKES, AIRCRAFT ABORTED TAKEOFF AND RETURNED TO GATE. AT GATE MAINTENANCE ISSUED A DPI, MEL 32-2, CONDITION NR 1, BOTH ANTI-SKID CHANNELS INOPERATIVE. MAINTENANCE PERFORMED ANTI-SKID TEST PER BMM 32-42-00-501 AND AUTO-BRAKE TEST PER BMM 32-43-01-401, BOTH SYSTEMS CHECKED GOOD WITH NO DEFECTS NOTED.