As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6444 - BOS-IAD - ABORTED TAKEOFF DUE TO THE EMERGENCY EXIT DOOR WARNING ILLUMINATING DURING THE TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE CLEANED AND INSPECTED THE EMERGENCY EXIT MICROSWITCHES. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)