What was found
ACV - RIGHT ENGINE EGT AND TORQUE FLUCTUATION REPORTED WHILE POWER WAS ADVANCED FOR TAKEOFF. ABORTED TAKEOFF. MAINTENANCE DEFERRED RT SRL AND TTL SYSTEMS PER MEL 76-1 AND MEL 76-2. AIRCRAFT RETURNED TO SERVICE. MAINTENANCE SUBSEQUENTLY CLEARED DEFERRAL BY CLEANING RIGHT TORQUE RING CANNON PLUG. COULD NOT DUPLICATE DISCREPANCY. OPERATIONAL CHECK SATISFACTORY DURING GROUND RUN. (M)