As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3045 - WHILE TAXIING IN DTW, CREW NOTED THE CAPTAIN'S BRAKES WERE SOFT AND NEEDED TO BE PUMPED IN ORDER TO OBTAIN BRAKE PRESSURE. MAINTENANCE REPLACED THE RT AND LT INBOARD AND OUTBOARD BRAKE ASSEMBLIES. AS A PRECAUTIONARY MEASURE, ALL FOUR BRAKES WERE ALSO BLED. SYSTEM OPERATED SATISFACTORILY. (X)