As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN-FLIGHT, NR 1 FADEC FAILURE. SWITCHED NR 1 ENGINE FROM "NORMAL" TO "MANUAL" AND RETURNED SWITCH TO THE "NORMAL" POSITION. USING MANUAL CONTROL OF NR 1 ENGINE VIA TWIST-GRIP, A PRECAUTIONARY UNSCHEDULED LANDING WAS MADE. PILOT REPORTED THE NR 1 ENGINE HAD FAILED DURING LANDING. TROUBLESHOT IAW MM. NR 2 ENGINE HAS BEEN INSPECTED IAW MM WITH NO ANOMALIES OR DISCREPANCIES NOTED. BENCH TEST OF REMOVED DECU HAS CONFIRMED THAT IT IS DEFECTIVE.