As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR 1 ENGINE EXPERIENCED A COMPRESSOR STALL AND FLAMES OUT THE TAILPIPE. BOTH EGT AND EPR PEGGED FOR 5 SECONDS. THE NR 1 ENGINE WAS SHUT DOWN AND THE FLIGHT DIVERTED TO ANC WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND METAL IN THE NR 1 ENGINE TAILPIPE. AIRCRAFT HAS BEEN SCHEDULED FOR NR 1 ENGINE CHANGE.