As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6438 - IAD-CHS - ABORTED THE TAKEOFF DUE TO THE TAKEOFF CONFIGURATION WARNING ON THE TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE CYCLED POWER AND PERFORMED TAKEOFF CONFIGURATION WARNING TEST, SYSTEM OPS CHECKED GOOD. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)