As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING DESCENT, THE OIL PRESSURE STARTED TO FLUCTUATE BEFORE DROPPING DOWN TO ZERO. THE ENGINE WAS SHUT DOWN AND AN UNEVENTFUL SINGLE ENGINE LANDING WAS ACCOMPLISHED. EXTENSIVE TROUBLE SHOOTING DID NOT SOLVE THE PROBLEM AND THE ENGINE IS BEING REMOVED AND SENT FOR INVESTIGATION AND REPAIR.