As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: WHEN THROTTLE WAS RETARDED TO IDLE, ENGINE FAIL MESSAGE FLASHED THREE TIMES. MAINTENANCE ACCOMPLISHED FIM 73-05-00-810-805-F00 STEPS 1-11 AND 13-17, ALL PARAMETERS NORMAL AND ACCOMPLISHED HIGH POWER ENGINE RUN PER AMM 71-00-00, ALL INDICATIONS NORMAL. MAINTENANCE ALSO PERFORMED SATISFACTORY OPERATIONAL CHECK.