As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#206, BNA-BOS. (AIRCRAFT DECLARED AN EMERGENCY). 'WE RECEIVED BKR RH AND LH FAULT MESSAGE DURING THE APPROACH. OUTBOARD BRAKES DID NOT WORK DURING LANDING; T/S REF E190 FIM 32-41-00-810-850-A. FOUND BRAKE PRESSURE XDCR #4 READING 100PSI MORE THAN THE OTHER 3. REMOVED AND REPLACED BRAKE PRESSURE XDCR #4 REF E190 AMM 32-41-05. OPS CHECK GOOD. NO LEAKS NOTED AT THIS TIME.'