What was found
DURING FLIGHT, OIL PRESSURE LIGHT ILLUMINATED, PRESSURE CONFIRMED AT 0. AIRCRAFT RETURNED TO DEPARTURE AIRPORT. REPLACED NR 3 ENGINE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING FLIGHT, OIL PRESSURE LIGHT ILLUMINATED, PRESSURE CONFIRMED AT 0. AIRCRAFT RETURNED TO DEPARTURE AIRPORT. REPLACED NR 3 ENGINE.