As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONFIGURE BRAKE EICAS WARNING DURING TAKEOFF, OCCURRED DURING INITIAL THRUST APPLICATION AT APPROXIMATELY 25 KTS. LOW SPEED REJECT, NO RELATED CMC MESSAGE. IAW FIM TASK 32-44-805 SWAPPED PARK BRAKE VALVE CLOSE RELAY R7514 WITH SERVICEABLE UNIT- NO HELP. REMOVED PARK BRAKE VALVE MOTOR AND ADJUSTED IAW MM 32-44-08 AND SYSTEM CHECKS NORMAL IAW MM 32-44-00.