As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MSP - DURING CLIMBOUT, NR 2 ENGINE OIL TEMPERATURE INDICATION EXCEEDED RECOMMENDED LIMITS AND THEN BECAME UNSTABLE. FLIGHT RETURNED TO MSP LANDING WITHOUT INCIDENT. MAINTENANCE REPLACED THE OIL TEMPERATURE SENSOR AND TIGHTENED LOOSE WIRING HARNESS GROUND CONNECTORS, FOUND ON THE TOP OF THE ENGINE. SYSTEM OPERATION WAS NORMAL AND AIRCRAFT RETURNED TO SERVICE.