As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT THE NR 2 ENGINE FLAMED OUT AT FL330. FLIGHT CREW SECURED THE NR 2 ENGINE AND RETURNED TO DEPARTURE AIRPORT. MX FOUND FUEL LEAKING AT THE HMU FUEL OUTLET LINE/PLATE GASKET. MX REPLACED THE GASKET. THE NR 2 ENGINE GROUND RUN UP TO POWER WAS SUCCESSFUL WITH NO LEAKS NOTED.