As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL THE PLANE STARTED TO STEER LEFT. TRIED RT RUDDER & THEN TILLER, NO RESPONSE, REJECTED TAKEOFF. IAW AMM 32-51-00-5 OPERATION OF NOSE WHEEL STEERING WAS NORMAL. IAW TSM 32-42-00 BITE TESTED BSCU & RESET BSCU IAW AMM 32-42-00-5. VISUALLY VERIFIED OPERATION OF ANTI-SKID & TESTED ANTI-SKID FROM MTP & ALL WAS NORMAL. OK TO CONTINUE.