As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING NR 2 ENGINE START-UP. NR 2 ECU MAINTENANCE AND TOT CAUTION LIGHT ILLUMINATED AND THE NR 2 ENGINE SHUTDOWN. DOWN LOADED NR 2 ECU AND FOUND FAULT CODE FOR T-4 SIGNAL LOSS. DURING START THE ECU MONITORS T-4 TEMPERATURE. IF SIGNAL IS LOSS THE ECU SHUT THE ENGINE DOWN TO PREVENT OVER TEMP OF THE ENGINE (ONLY DURING START). FOUND PYROMETRIC HARNESS PROBE ERRODED. THE NR 2 ENGINE PYROMETRIC HARNESS WAS REPLACED AND OPS CHECKS PERFORMED WITH NO DEFECTS NOTED AT THIS TIME. POWER CHECKS WITHIN MANUFACTURERS SPECIFICATIONS.