As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6204 - MHT-IAD - ABORTED THE TAKEOFF DUE TO THE BAGGAGE DOOR LIGHT ILLUMINATING ON THE TAKEOFF. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENACNE OPENED DMI NR 40042 IAW MEL 52-3 ON THE DOOR WARNING SYSTEM. MAINTENANCE LATER CLEARED DMI NR 40042 BY ADJUSTING BOTH DOOR MICROSWITCHES. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (W)