As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING STATIONARY GROUND RUNS IN SUPPORT OF MAINTENANCE TROUBLESHOOTING PROCEDURES, THE ENGINE EXPERIENCED INTERNAL DAMAGE WITH THE RESULTANT RELEASE OF HIGH-ENERGY PARTICLES. THE INCIDENT IS CURRENTLY UNDER INVESTIGATION WITH FINDINGS TO BE CONVEYED ONCE AVAILABLE.