As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING DESCENT, THE CREW EXPERIENCED A LARGE AMOUNT OF TURBULENCE. IMMEDIATELY AFTER, THE CREW NOTICED DROP OF ENGINE OIL PRESSURE AND ALSO A LOW OIL PRESSURE ALARM. THE CREW APPLIED THE CHECK LIST ASSOCIATED TO THIS TROUBLE AND SHUT DOWN THE ENGINE. AN UNEVENTFUL SINGLE ENGINE LANDING WAS PERFORMED.