As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/BOS - FLT 6508 - DURING TAKEOFF AT 1620 HRS ON 3-23-95, ABORTED TAKEOFF DUE TO CONFIGURATION WARNING SOUNDING DURING TAKEOFF ROLL. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)