As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6490 - JFK-IAD - ABORTED TAKEOFF DUE TO THE TAKEOFF CONFIG WARNING SYSTEM SOUNDING ON THE TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. AIRCRAFT THEN WAS FERRIED TO IAD AND LANDED WITH NO FURTHER INCIDENTS. MAINTENANCE ADJUSTED THE PARKING BRAKE MICROSWITCH. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)