What was found
IAD/BOS - FLT 6356 - DURING TAKEOFF AT 0900 HOURS ON 7-15-97, EXPERIENCED A BAGG DOOR LIGHT ILLUMINATION. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE WHERE MAINTENANCE CONTROL WAS NOTIFIED OF THE DISCREPANCY AND THE MAINTENANCE PERSONNEL WERE DISPATCHED TO THE AIRCRAFT FOR TROUBLESHOOTING. IT WAS DISCOVERED THAT THE BAGG DOOR MICROSWITCHES WERE FOULED WITH DIRT AND DUST. MAINTENANCE CLEANED AND LUBRICATED THE MICROSWITCHES AND FUNCTIONALLY CHECKED THE SYSTEM IAW THE MM PROCEDURES. AIRCRAFT WAS THEN RELEASED FOR SERVICE. (X)