As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3910 DURING THE APPROACH THE CREW REPORTED, RECEIVED A BRAKE INBOARD INOPERABLE MESSAGE ON EICAS WHEN THE LANDING GEAR WAS EXTENDED. THE CREW DECLARED AN EMERGENCY DIVERTING TO CMH AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. TROUBLESHOT IAW FIM TASK 32-41-00-810-809A FOUND SYSTEM NR 2 BRAKE CONTROL VALVE BAD. REMOVED AND REPLACED THE NR 2 BRAKE CONTROL VALVE IAW EMB AMM 32-41-06. NO LEAKS NOTED AND THE OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.