As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROXIMENTELY 30 MINUTES IN TO FLIGHT (FL350) CREW HEARD A VERY LOUD BANG WITH SIGNIFICANT AIRCRAFT YAW. OBSERVED ENGINE NO 1 N1 ROLL BACK WITH CONFIRM ENG OUT ON FMS. DETERMINED N1 ON ENG 1 HAD SEIZED AND EXECUDED PHASE 1. COMPLIED AND COMPLETED ENGING 1 FIRE/OR SEVERE DAMAGE CHECK LIST. RECOVERED AT KDEN RWY 35L. REPLACED LH ENGINE.