As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE OIL PRESSURE FLUCTUATED DURING FLIGHT BACK FROM GCN. FLIGHT CREW MADE A PRECAUTIONARY LANDING AT IFP. MAINTENANCE FOUND OIL LEVEL LOW, SERVICED OIL TO FULL. RAN ENGINE, OIL PRESSURE WAS STABLE. CHECKED OIL LEVEL. IT REMAINED THE SAME, AIRCRAFT RETURNED TO SERVICE. UPON RETURN TO LAX, COMPRESSOR SEAL WAS REPLACED AS A PRECAUTIONARY MAINTENANCE ACTION.