As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, PILOT NOTICED I.T.T. HAD DROPPED TO ZERO. MAINTENANCE WAS NOTIFIED AND A RESISTANCE CHECK WAS DONE. MAINTENANCE FOUND A TERMINAL ON THE T-5 HARNESS HAD BROKEN LOOSE IN THE CERAMIC HOUSING CAUSING T-5 TO DROP OFF. ENGINE C-FLANGE WAS SPLIT AND HARNESS CHANGED. RESISTANCE CHECK FOUND NO FURTHER PROBLEMS AFTER CHANGE.