As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT HIGH OIL TEMP. DECLARED AN EMERGENCY AND RETURNED TO THE FIELD. REMOVED AND REPLACED THE LEFT ENGINE OIL LEVEL PROBE IAW AMM. SERVICED LEFT ENGINE OIL AND VERIFIED OPERATION . RAN LEFT ENGINE AT TAKEOFF POWER SETTING. ALL ENGINE PARAMETERS NORMAL AT THIS TIME. NO LEAKS NOTED AT LEFT ENGINE.