As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5339 - DURING CLIMB LEFT ENGINE OIL TEMP WENT TO AMBER RANGE. AIRCRAFT RETURNED TO CVG AND LANDED WITHOUT INCIDENT. FOUND OIL TANK OVER SERVICED AND PROBE OIL LEVEL INOP. REMOVED EXCESS OIL FROM TANK AND REPLACED PROBE OIL LEVEL.