As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON REACHING ALTITUDE THE RT ENGINE LOST OIL AND FUEL PRESSURE AND THE ENGINE SHUTDOWN. THE AIRCRAFT RETURNED TO DEPARTURE AND LANDED WITHOUT FURTHER INCIDENT. THE NR 2 ENGINE WAS REMOVED AND SENT FOR TEARDOWN TO DETERMINE CAUSE OF THE FAILURE. ON TEARDOWN THE COMPRESSOR ROTOR SHAFT (STUB SHAFT) WAS FOUND TO HAVE FAILED. ANY ADDITIONAL INFORMATION WILL BE SUBMITTED AS IT BECOMES AVAILABLE.