As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REPEAT WRITE UP. DECENDING FROM FL410, POWER WAS REDUCED TO IDLE. AIRCRAFT BEGN TO SHUDDER AND RIGHT ENGINE SHUTDOWN CAS MESSAGE DISPLAYED. RIGHT ENGINE UNCOMMANDED SHUTDOWN FOLLOWED BY AUTO RELIGHT. DID NOT REDUCE POWER TO IDLE AGAIN UNTIL LANDING. NO OTHER ANOMOLIES """"CORRECTIVE ACTION"""" REPLACED RT ENGINE.