As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS - FLT 90 - EN ROUTE LAX TO PHL, THE RIGHT ENGINE BEGAN TO STEADILY LOSE OIL. THE CREW DECIDED TO DIVERT TO LAS. FLIGHT LANDED WITHOUT INCIDENT. ENGINE WAS NOT SHUTDOWN. MAINTENANCE FOUND A PIN HOLE IN THE CHIP DETECTOR OIL SCAVENGE TUBE NEAR THE FUEL/OIL COOLER. THE TUBE WAS REPLACED. LEAK CHECKED GOOD. (Z)