As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6177 - IAD-PIT - ABORTED TAKEOFF DUE TO LEFT ENGINE TORQUE DROPPED AND THEN SURGED. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE DEFERRED TTL, OPENED DMI 42445, MEL 76-20. MAINTENANCE CLOSED DMI 42445 ON 7-25-96 BY REPLACING TTL VALVE. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)