As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED EICAS MSG "TAT PROBE" INFO: NO A/T, NO L NAV, NO V NAV DURING CLIMB STAGE AND PERFORMED AN AIR TURNBACK. MTC GROUNDED THE AIRCRAFT , REMOVED AND REPLACED TAT PROBE IAW B767 AMM 34-12-02 OPS CHECK WAS GOOD. AIRCRAFT WAS RETURNED TO SERVICE.