As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING THE APPROACH TO AIRPORT, THE PILOT NOTICED A LIGHT VIBRATION ON THE LT ENGINE FOLLOWED BY HEAVY SMOKE IN THE EXHAUST. THE PILOT REDUCED POWER TO FLIGHT IDLE AND PERFORMED AN UNEVENTFUL LANDING. THE ENGINE WAS REMOVED. THE DISASSEMBLY REPORT CONCLUDED THE A NR 5 BEARING DISTRESS DUE TO LACK OF LUBRICATION.