What was found
AT POWER UP FOR TAKEOFF AT RNO EN ROUTE FOR PHX REJECTED TAKEOFF AT 10-15 KTS DUE TO ASYMMETRIC THRUST CONDITION. NR 1 ENGINE WAS AT TOGA THRUST AND NR 2 ENGINE AT 1.1 EPR, NO ECAM WARNING DISPLAYED. MAINTENANCE RESET FLIGHT MANAGEMENT GUIDANCE COMPUTERS 1 & 2, PERFORMED FULL TOGA ENGINE RUN UP, EPR BOTH ENGINES NORMAL.