As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING TAXI, BRAKE AND STEERING CONTROL UNIT MESSAGE CAME ON ENGINE INDICATING AND CREW ALERT SYSTEM. NOSE GEAR ANTI-SKID SWITCH RECYCLED AND AIRCRAFT MADE UNCONTROLLED RIGHT TURN FOLLOWED BY A HARD LEFT TURN. AIRCRAFT CAME TO A REST WITH NOSE GEAR 15 FEET OFF RUNWAY. CHANGED BRAKE AND STEERING CONTROL UNIT AND TESTED SERVICEABLE. REPLACED NR 4 BRAKE CARRIER AND BOTH NOSE WHEEL ASSEMBLIES.