As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI OUT FROM GATE, FLIGHT CREW NOTED FAILURE OF NR 3 ENGINE EGT INDICATION. FLIGHT CREW ELECTED TO RETURN TO GATE FOR MAINTENANCE ACTION. AIRCRAFT RETURNED TO GATE WITHOUT INCIDENT. MAINTENANCE PERSONNEL REPLACED FAULTY INDICATOR. GROUND RUN PERFORMED WITH NO FAULTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE. (M)