As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL, THE NR 4 ENGINE WOULD NOT PRODUCE TAKEOFF EPR WITH THE THRUST LEVER AT THE MECHANICAL STOP. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE FUEL CONTROL AND THE FOLLOW-UP ENGINE RUN WAS NORMAL.