As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE EVENT WAS DURING MAINTENANCE GROUND RUNS. THE ENGINE SHUTDOWN FROM HIGH POWER SETTING WITH NO APPARENT PLA OR CLA INPUT. ENGINE WAS ZERO TIME SINCE SHOP VISIT. ZERO TSO FCU FITTED. ENGINE TESTED ON TEST CELL WITH NO ISSUES. UPON INSTALLATION THIS EVENT OCCURRED.