As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF ON FLIGHT 1167, A LEFT ENGINE OIL PRESSURE FLUCTUATION BETWEEN 70 AND 90. THE CREW MADE AN AIR TURNBACK. MECHANIC INSPECTED THE AIRCRAFT, SERVICED THE LEFT ENGINE WITH 4 QUARTS OF OIL AND RETURNED THE AIRCRAFT TO SERVICE. MECHANIC INSPECTED THE AIRCRAFT ON 2/14/03 AND REPLACED THE LEFT GARLOC SEAL.