As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI OUT TO RUNWAY AIRCRAFT WOULD NOT STOP WITH NORMAL BRAKING. PLANE FINALLY STOPPED WHEN ANTI-SKID WAS TURNED OFF. (FLT 5459) CLEANED HEAVY CORROSION FROM RIGHT MAIN GEAR ANTI-SKID HARNESS CONNECTOR ABOVE RIGHT MAIN GEAR STRUT. COMPLIED WITH TAXI CHECK AND OPERATION OF BRAKES WITH ANTI-SKID SELECTED ON. BRAKE OPERATION NORMAL.