As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, THE NR 1 ENGINE EPR AND N1 ROLLED BACK TO IDLE. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED THE FUEL CONTROL UNIT AND THE ENGINE WAS RUNUP AND CHECKED OK. AIRCRAFT RETURNED TO SERVICE.