As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE CLIMB, THE CREW NOTICED OIL TEMP INDICATION FOR NR 2 ENGINE WAS HIGH, 108C FOR AROUND 10 SEC OIL TEMP DECREASED AFTER THE CREW RETARDED NR 2 ENGINE POWER. THE FLIGHT WAS DIVERTED TO BASE AS PRECAUTION. MX CONFIRMED THAT ACOC ACTUATOR IS INOPERATIVE. REPLACED ACOC ACTUATOR THEN THE ACFT RTS.