What was found
REJECTED TAKEOFF, ATTEMPTED TO PUSH UP NR 2 ENGINE TO TAKEOFF POWER & COULD NOT GET REQUIRED POWER DURING TAKEOFF ROLL. HIGHEST POWER WAS 1.3 EPR. TAXIED BACK TO RAMP. REMOVED AND REPLACED NR 2 FMU, PUMP, AND PB SENSE LINE IAW AMM 73-21-01-4-2. PERFORMED ENGINE RUN AND LEAK CHECK PER JRH 4,5 AND 6. ALL PARAMETERS WITHIN LIMITS. GROUND OPS CHECKED NORMAL.