What was found
AS POWER WAS BROUGHT TO TAKEOFF SETTINGS, THE RT TORQUE INSTANTLY INCREASED FROM 1400 LBS. THE RISE IN TORQUE OF THE LT ENGINE WAS FOLLOWED BY 2 COMPRESSOR STALLS, AT WHICH POINT THE TAKEOFF WAS ABORTED. AFTER A RUNUP WAS PERFORMED BY MAINTENANCE, IT WAS FOUND THE RTOP WAS SET INCORRECTLY. THE RTOP WAS MEL`D ON THE LT AND RT ENGINES. THE AIRCCRAFT WAS RETURNED TO MAINTENANCE FOR REPAIR. MAINTENANCE RIGGED THE RTOP SWITCHES IAW MM. OPS CHECK GOOD AND THE AC WAS RETURNED TO SERVICE.