What was found
DFW - FLT 1231 - BOTH ENGINES REPORTED LOW TORQUE DURING TAKEOFF ROLL, LEFT TORQUE 40 PERCENT, RIGHT TORQUE 80 PERCENT. TAKEOFF ABORTED. AIRCRAFT RETURNED TO GATE AND MAINTENANCE PROCEEDED TO INVESTIGATE. MAINTENANCE GROUND RUNS CONFIRMED LOW TORQUE ASSOCIATED WITH HIGH RPM OF 103 PERCENT ON EACH ENGINE. MAINTENANCE ADJUSTED SCREW 'X' ON THE ENGINES, GROUND RAN TO 100 PERCENT RPM AND ATTAINED TARGET TORQUE. AIRCRAFT RELEASED BACK TO REVENUE SERVICE. (M)