As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE NR 3 ENGINE LOST OIL PRESSURE AND QUANTITY. THE ENGINE WAS SHUTDOWN AND THE FLIGHT CONTINUED TO LGA AS SCHEDULED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE LP6 FITTING LIBERATED FROM THE GEARBOX. THE GEARBOX WAS REPLACED WITH A SERVICEABLE UNIT.