As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAD/HVN - FLT 6173 - DURING TAKEOFF AT 1840 HOURS ON 9-4-96, ABORTED TAKEOFF DUE TO NR 2 ENGINE TORQUE ROLLED BACK ON TAKEOFF. AIRCRAFT LANDED AND RETURNED TO GATE AT IAD WITH NO FURTHER INCIDENT. MAINTENANCE ADJUSTED NR 2 TORQUE SIGNAL CONDITIONER, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (X)