As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AN ANTI-ICE DUCT MESSAGE ON TAKEOFF ROLL. CREW ABORTED TAKEOFF AND RETURNED TO GATE WITHOUT INCIDENT. MAINTENANCE INSPECTED AND REMOVED AND REPLACED THE LT BLEED CONTROL UNIT. MAINTENANCE PERFORMED OPERATIONAL CHECKS AND OPS CHECKED GOOD. AIRCRAFT WAS RELEASED FOR SERVICE.