As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF, THE NR 4 ENGINE EGT INDICATOR WAS ERRATIC. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE FOUND INDICATOR CANNON PLUG LOOSE. CLEANED AND TIGHTENED THE CANNON PLUG, RUN-UP WAS NORMAL AND THE AIRCRAFT RETURNED TO SERVICE.