As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMB, THE CREW REPORTED ENGINE LOW OIL PRESSURE AND FLUCTUATION FOLLOWED BY A LOUD NOISE AND LOSS OF POWER. THE ENGINE WAS SHUT DOWN AND SECURED AND THE ACFT RETURNED TO THE DEPARTURE AIRPORT. GROUND INSPECTION REVEALED INTERNAL ENGINE DAMAGE. IT WILL BE REPLACED AND FORWARDED FOR INVESTIGATION.