As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW RECEIVED A RT AND LT BRAKE FAULT MESSAGE ALONG WITH A AUTO BRAKE FAIL MESSAGE. ABORTED TAKEOFF AND RETURNED TO GATE WITHOUT INCIDENT. MAINTENANCE PERFORMED BCM 1 AND 2 IBIT CHECKS IAW AMM WITH NO FAULTS FOUND. MAINTENANCE PERFORMED OPS CHECKS OF HE BRAKE SYSTEM IAW AMM AND OPS CHECKED GOOD. ACFT IS GOOD FOR SERVICE.