As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR1 EPR GUAGE WAS INOPERATIVE DURING TAKEOFF AND THE TAKEOFF WAS ABORTED, PRIOR TO SETTING TAKEOFF POWER AND REACHING 60 KNOTS. AFTER CLEARING THE RUNWAY AND WHILE TROUBLESHOOTING THE PROBLEM, DURING A JOINT DISCUSSION WITH MX THE NR1 EPR GUAGE STARTED WORKING PROPERLY. CREW DEBRIEF AND CONFIRMED WITH ENGINE RUN IAW JRH, NR1 EPR OPS NORMAL AT THIS TIME. ACFT OK FOR SERVICE. R&R NR 1 EPR GAGE OPS CHECK OK.