As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE WAS LOSING OIL AT APPROXIMATELY ONE QUART PER 16 MINUTES. AIRCRAFT DIVERTED TO LAS AND LANDED WITHOUT INCIDENT. FOUND GASKETS PINCHED ON NR 5 BEARING COVER. REPLACED GASKETS ON NR 5 BEARING HOUSING COVER AND ON NR 5 BEARING SCAVENGE TUBE.