As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLLOUT, THE NR 1 EPR AND N1 FAILED TO INCREASE. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO GATE. MAINTENANCE CLEANED CANNON PLUG D15J AND PERFORMED RUN-UP CHECK. CHECK WAS NORMAL AND AIRCRAFT WAS APPROVED FOR SERVICE.