As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING REVENUE FLIGHT AT FL160 AND CHANGING FROM POWER MGT TO CRUISE, CREW HEARD A LOUD NOISE FOLLOWED BY A LOW OIL PRESSURE WARNING AND SMOKE IN THE COCKPIT. CREW SHUTDOWN THE ENGINE AND MADE AN EMERGENCY LANDING. IT WAS FOUND OUT LEAKING TRANSFER TUBE FORM THE OIL COOLER AND ENGINE WAS STUCK UNABLE TO FREE ROTATE BOTH LP AND HP IMPELLERS.