As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE NR 3 ENGINE IDLE PRESS. LIGHT ILLUMINATED. OIL PRESS. 25 PSI, QTY, 1 GALLON. TEMP 135 DEGREES. ENGINE SHUT DOWN AT 1421Z. WINDMILLING OIL PRESSURE ZERO. REMOVED ENGINE, AND REPLACE WITH SERVICEABLE ENGINE. FUNCTIONAL TEST AND GROUND RUN-UP CHECKS SATISFACTORY. AIRCRAFT RETURNED TO SERVICE.