As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6445 - IAD-CHO - ABORTED TAKEOFF DUE TO THE TAKEOFF CONFIGURATION WARNING SYSTEM ACTIVATING. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE PERFORMED INSPECTION AND OPS CHECK OF SYSTEM, BUT COULD FIND NO DEFECTS. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)