As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE NR 2 ENGINE OIL PRESSURE INDICATION BEGAN DECREASING. CREW RETARDED NR 2 ENGINE POWER TO IDLE. PRESSURE STABILIZED AT 36 PSI. AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NR 2 ENGINE OIL PRESSURE INDICATOR AND INSPECTED GROUND WIRES FOR SECURITY. ENGINE OPERATIONAL CHECK OK. PARAMETERS WERE NORMAL AND AIRCRAFT RETURNED TO SERVICE.