As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED OBSERVING THE #2 ENGINE OIL PRESSURE DECREASE STEADILY ON THE GAUGE FROM NORMAL TO APPROXIMATELY 16 PSI CREW DID NOT NOTE A MASTER WARNING INDICATION LIGHT FOR OIL PRESSURE UNTIL AFTER COMPLETING THE ENGINE SHUTDOWN.. CREW INITIATED AN ENGINE SHUTDOWN AND LANDED WITHOUT INCIDENT. MAINTENANCE WAS ABLE TO CLEAN THE CONNECTOR TO THE TRANSDUCER AND THE SYSTEM PASSED OPERATIONAL CHECKS.