As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6296 - IAD-ROC - ABORTED TAKEOFF DUE TO LEFT ENGINE WOULD ONLY MAKE 90 PERCENT TORQUE. THE AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEM. MAINTENANCE INSPECTED AND REMOVED AND REPLACED LEFT TTL BYPASS VALVE, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TO SERVICE. (M)