As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: AUTO BRAKE DISARM LIGHT ILLUMINATES WHEN RTO SELECTED. VERIFIED A-AND-B DISARM LIGHT ON WHEN RTO SELECTED. DURING AACU TEST, FAULT SHOWS POWER A-AND-B. REMOVED AND REPLACED ANTISKID CONTROL UNIT, PER AMM 32-42-21. OPERATIONAL TEST GOOD, PER AMM 32-42-00**(OPEN).