As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"OPEN"- DURING MAINTENANCE CHECK FLIGHT, THE #1 ENGINE EXPERIENCED A HIGH VIBRATION AND SHUTDOWN WITH SUDDEN STOPPAGE. AIRCRAFT RETURNED TO BASE. "CLOSED" FOUND #2 BEARING ASSEMBLY FAILED. ENGINE WAS REMOVED AND REPLACED WITH SERVICEABLE ENGINE.