As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EUG - LEFT ENGINE TORQUE SURGE REPORTED DURING TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. UNABLE TO DUPLICATE REPORTED DISCREPANCY ON GROUND RUN. SUBSEQUENT TAKEOFF ATTEMPT ABORTED. MAINTENANCE DEFERRED SRL AND TTL SYSTEMS. AIRCRAFT RETURNED TO SERVICE. DISCREPANCY SUBSEQUENTLLY CORRECTED WITH THE REPLACEMENT OF THE LEFT ENGINE TTL COMPUTER. (M)