As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACV - LEFT ENGINE TORQUE AND EGT INDICATION DROPPED WITH ENGINE SURGE DURING TAKEOFF ROLL. TAKEOFF ABORTED WITHOUT INCIDENT. MAINTENANCE CLEANED CANNON PLUG AT LEFT ENGINE TORQUE RING CABLE ASSEMBLY. LEFT ENGINE OPERATIONAL CHECK NORMAL DURING GROUND RUN. AIRCRAFT RETURNED TO SERVICE. (M)