As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DECLARED EMERGENCY INTO DTW DUE TO A BRAKES SYSTEM 1 FAULT ALONG WITH AN AUTO BRAKE FAULT AND A NORMAL BRAKES SERVO VALVE (18GG) FAULT. MLG #4 WHEEL FLAT SPOTTED AND FAILED DURING THE ROLL OUT. HYDRAULIC LEAK ABOVE THE MAIN LANDING GEAR WAS ALSO DISCOVERED. MAINTENANCE IN PROGRESS. (LP: 8676596) AIRCRAFT WAS GROUNDED.