As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO GATE. NR 2 ENGINE ITT GAUGE SHOWING 265 DEGREES ON TAXI OUT. OTHER ENGINE PARAMETERS NORMAL. ITT FLUCTUATED BETWEEN 265-450 DEGREES. MAINTENANCE INSPECTED AND FOUND T6 THERMOCOUPLER TRIM HARNESS BAD. REMOVED AND REPLACED HARNESS. GROUND RAN ENGINES WITH NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.