As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWA - FLT 3432 - DURING TAKEOFF ROLL, CREW HAD AN E1 TR DISAGREE ON EICAS. TAKEOFF WAS ABORTED AND AIRCRAFT WAS RETURNED TO GATE. THRUST REVERSERS WERE PUT ON MEL AT THIS TIME. MAINTENANCE REMOVED AND REPLACED BRAKE CONTROL VALVE IAW EMB MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)