As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 594 IN CRUISE FL 320 CLEAR CONDITIONS NR 2 ENGINE PARAMETERS STARTED TO FLUCTUATE ALONG WITH SEVERE VIBRATION, PERFORMED ABNORMAL PROCEDURE OBSERVED NR 2 OIL QTY GO TO ZERO AND PERFORMED ENG SHUTDOWN ABNORMAL PROCEDURE UPON LANDING OIL QTY RETURNED TO NORMAL AFTER ENG SHUTDOWN OIL PRESS WAS AT REDLINE. REMOVED AND REPLACED NR 2 ENG PER MTM 71.2, RAN ENG PER JRH. PERFORMED MPA AND RUN SHEET NR 2 ENG, OK FOR SERVICE. AIRCRAFT WAS GROUNDED