As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED 20 KNOT INDICATED AIRSPEED SPLIT BETWEEN CAPTAINS AND FIRST OFFICERS. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE WITHOUT INCIDENT. MAINTENANCE INSPECTED AND FOUND THE CAPTAINS AND STANDBY TO AGREE BUT THE FIRST OFFICERS TO BE 20 KNOTS SLOW. MAINTENANCE REMOVED AND REPLACED THE NR 2 AIR DATA COMPUTER IN ACCORDANCE WITH THE AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT WAS RELEASED FOR SERVICE.