As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT CALLED TOWER TO REQUEST PERMISSION FOR PRIORITY APPROACH TO AIRPORT DUE TO A LOW OIL PRESSURE INDICATION. ACFT LANDED WITHOUT INCIDENT. MX PROCEDURES CONSISTING OF CLEANING OIL PRESSURE RELIEF VALVE PERFORMED, WITH A SATISFACTORY OPS RUN-UP CHECK. ACFT APPROVED FOR RETURN TO SERVICE BY AUTHORIZED MX PERSONNEL.