As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT NR 2, ENGINE OIL PRESSURE VARIED BETWEEN 68-61 AND DROPPED TO 55 PSI FOR 1 SECOND. DIVERTED AND ACCOMPLISHED UNEVENTFUL LANDING. INSPECTION FOUND OIL POOLING IN THE DEFUSER TUBE AT THE BOTTOM OF THE GAS GENERATOR CASE. REPLACED THE ENGINE. RETURNED TO SERVICE.