As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT LEVEL 270, THE AIRCRAFT LOST THE RIGHT ENGINE OIL PRESSURE. THEY DECENDED TO FLIGHT LEVEL 170 WHERE THEY CONTINUED TO LOSE OIL PRESSURE, AND SHUT DOWN THE RIGHT ENGINE AND DIVERTED. THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE CREW REPLACED THE THREE CARBON SEALS AND MATING RINGS IN THE GEAR BOX AND COMPLIED WITH ENGINE RUNS, OPS CHECKED GOOD.