As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS/IAD - FLT 6157 - DURING TAKEOFF AT 1125 HRS ON 4-13-96, ABORTED TAKEOFF DUE TO THE TAKEOFF CONFIGURATION WARNING SYSTEM ACTIVATING. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE PERFORMED OPS CHECKS BUT COULD NOT FIND ANY DEFECTS. AIRCRAFT WAS RELEASED AND APPROVED FOR SERVICE. (X)