As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG OIL PRESS L LEFT ENGINE OIL PRESSURE BELOW THE RED LINE LIMIT WITH ENGINE RUNNING. ENGINE REPLACED AT ORD. SHOP TEARDOWN REVEALED A FAILURE OF THE NR 2 BALL BEARING. A 2.5" CIRCUMFERENTIAL X 1" WIDE CHUNK WAS BROKEN OFF OF THE OUTER RACE. THE BEARING HAS BEEN RETURNED TO MANUFACTURER FOR MORE IN DEPTH ANALYSIS.