As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING STEADY CRUISE FLIGHT LEVEL 350, HEARD LOUD BANG AND FELT YAW TO RIGHT. NR 2 ENGINE INDICATED FLAME-OUT. SHUTDOWN ENGINE AND PULLED FIRE HANDLE. FOUND EVIDENCE OF BLUE ICE INGESTION. BORESCOPED ENGINE AND ACCOMPLISHED A POWER ASSURANCE RUN, CHECKED OK. THE LAVATORY FILL LINE WAS FOUND LEAKING, AND WAS REPLACED.