As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE AT FL230, THE CREW RECEIVED A LOW OIL PRESSURE WARNING. ENGINE WAS SHUTDOWN AND AN UNEVENTFUL SINGLE ENGINE LANDING AT THE DEPARTURE AIRPORT FOLLOWED. TROUBLESHOOTING IS ON-GOING. MFG WILL INVESTIGATE TO ESTABLISH ROOT CAUSE AND SUPPLEMENT THE REPORT ONCE THE INFORMATION IS AVAILABLE.