What was found
LEX/CLT - FLT 5167 - PILOT REPORTED LT ENGINE TORQUE FLUX ALONG WITH EGT AND RPM. NO IN-FLIGHT EMERGENCY WAS DECLARED. AIRCRAFT LANDED AT CLT WITH NO OTHER PROBLEMS. MAINTENANCE FOUND A LOOSE CANNON PLUG ON THE LEFT TORQUE SIGNAL BRIDGE. TORQUE SIGNAL BRIDGES WERE ALSO SWAPPED OUT. RE-TORQUE CANNON ON LT SIGNAL BRIDGE, GROUND RUN AND OPS CHECKED GOOD. (X)