As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMR FLIGHT: POWERPLANT MESSAGE ON ED FOLLOWED BY NR 1 ENGINE FADEC FAIL MASTER WARNING. ENGINE SHUTDOWN PER CHECKLIST. MAINTENANCE FOUND FAULT CODES 935, 936 AND 360. BOTH A AND B CHANNELS FAILED. REMOVED AND REPLACED FUEL CONTROL ELECTRICAL HARNESS IAW Q400 AMM 73-21-11. CLEARED FAULT CODES. GROUND RAN FOR HARNESS REPLACEMENT IAW TASK 71-00-868-805 (ENGINE REPLACEMENT RUNS). AIRCRAFT RETURNED TO SERVICE.