As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKE-OFF ROLL, THE NR 3 ENGINE WOULD NOT REACH THE TARGET EPR OF 1.58. MAXIMUM EPR INDICATED ON THE NR 3 ENGINE WAS 1.47 WITH THE POWER LEVER AT THE FORWARD STOP. THE TAKE-OFF WAS ABORTED AT 100 KNOTS. MAINTENANCE INSPECTED THE PT7 LINE FOR LEAKS WITH NO DEFECTS FOUND. THE EPR TRANSMITTER AND THE TT2 SENSOR WERE BOTH REPLACED. AN ENGINE RUN WAS PERFORMED AND TAKE-OFF EPR WAS REACHED.