As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ASH 7343 ORD. THE CREW RETURNED TO GATE AFTER ABORTING THE TAKEOFF ROLL DUE TO AIRCRAFT PULLING TO THE RIGHT OF CENTER LINE AT TAKEOFF POWER. MAINTENANCE REMOVED AND REPLACED BOTH NOSE LANDING GEAR WHEEL AND TIRE ASSEMBLIES. PERFORMED HIGH SPEED TAXI CHECK WITH NO DEFECTS NOTED. NO PARTS WERE CHANGED.