As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS ENROUTE, WHEN THE LT ENGINE LOW OIL PRESSURE WARNING ILLUMINATED, THE OIL PRESSURE STARTED TO DROP AND THE OIL TEMPERATURE INCREASED. THE ENGINE WAS SHUT DOWN AND THE AC RETURNED WITHOUT FURTHER PROBLEMS. OIL WAS LEAKING FROM THE REAR TURBINE BEARING AND SCAVENGE PUMP SEAL. ENGINE CHANGE IN PROGRESS. ENGINE WILL BE SHIPPED TO MFG FOR EVALUATION AND REPAIR. (K)