As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DISABLED ON TAXIWAY B JUST NORTH OF TAXIWAY A NEAR RUNWAY 04 WITH BRAKES LOCKED UP. PAX DEPLANED & BUSSED TO TERMINAL. ACFT TOWED TO GATE. ADVANCED THRUST LEVERS 70% N1 BRAKES 0 PLANE DID NOT MOVE. REMOVED AND REPLACED BRAKE CONTROL UNIT IAW AMM 32-41-02 OPS CHECK GOOD.