As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT LEFT ENGINE OIL REACHED 178 IN THE RED. FOLLOWED QRH PROCEDURE AND COULD NOT GET OIL TEMPERATURE TO REDUCE BELOW 173 AND STAYED IN RED. PERFORMED IN FLIGHT ENGINE SHUT DOWN PROCEDURE AND RETURNED TO TUCSON. (FLIGHT 5583)