As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB AT 5000 FT, A LOUD BANG WAS HEARD WITH THE NR 2 ENGINE "FADEC FAIL WARNING" MESSAGE. CREW FOLLOWED CHECKLIST, SECURED ENGINE AND PERFORMED AN UNEVENTFUL RETURN TO THE FIELD AND LANDING. CDS FAULT CODES INDICATE THE FAILURE OF THE NR 2 LP ROTOR SHAFT. ACFT MOVED TO HANGAR FOR ENGINE REPLACEMENT.