As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE, SUDDEN HIGH VIBRATION ON AIRFRAME BUT NOT ENGINE. EGT TEMPERATURE ROSE SLOWLY ON #2 ENGINE FOLLOWED BY VIBRATION. NOTICED LOW OIL QUANTITY. ENGINE SHUT DOWN. FOUND #2 ENGINE TAIL PIPE COVERED WITH OIL FROM #4 BEARING AND UNABLE TO TURN FAN BLADES.