As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHX - FLT 17 - EN ROUTE PHL/LAX, THE RIGHT ENGINE OIL QUANTITY BEGAN DROPPING ONE-HALF QUART EVERY 15 MINUTES. AS A PRECAUTION, THE FLIGHT DIVERTED TO PHX AND LANDED WTIHOUT FURTHER INCIDENT. CONTRACT MAINTENANCE FOUND THE OIL COMING FROM THE FILL CAP AREA. THEY SERVICED THE RIGHT ENGINE OIL AND TIGHTENED THE FILL CAP. THEY PERFORMED AN ENGINE RUN WITH NO LEAKS NOTED. (X)