As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HEARD A THUNK AND EXPERIENCED VIBRATION IN NR 1 ENGINE. GOT LOW OIL PRESSURE AND EXHAUST GAS TEMPERATURE SHOWED 813 DEGREES CELSIUS. *S/D* REPLACED NR 1 ENGINE. AIRCRAFT OPERATIONAL CHECKS GOOD. SHOP INDICATIONS, SHOW FAILURE OF THE NR 4 BEARING WAS THE ROOT CAUSE FOR THE IN-FLIGHT SHUT DOWN AND N1 ROTOR SEIZURE ON THE GROUND.