As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, SMOKE WAS DETECTED IN THE CABIN AIR ACCOMPANIED BY A REDUCTION IN ENGINE OIL PRESSURE. THE AIRCRAFT DIVERTED FOR A UNSCHEDULED LANDING. SUBSEQUENT INSPECTION REVEALED METAL DEBRIS IN THE ENGINE OIL SYSTEM. P&WC WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED.