As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6276 - IAD-EWR - ABORTED TAKEOFF DUE TO TAKEOFF CONFIGURATION WARNING ILLUMINATED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED SYSTEM AND FOUND CONDITION LEVER FRICTION LOCK LOOSE AND TIGHTEN, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)