As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR 1 ENGINE FAILED WHILE EN ROUTE. THE AIRCRAFT WAS RETURNED TO LAS WHERE IT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS TAKEN OUT OF SERVICE FOR ENGINE REPLACEMENT. THE SDR WILL REMAIN OPEN FOR PART INFORMATION PENDING INVESTIGATION. *S/D* SHOP FINDINGS REVEALED A BROKEN T-4 BLADE.