As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE SHUTDOWN DUE TO LOW OIL PRESSURE, LOW OIL QUANTITY AND HIGH OIL TEMPERATURE. THE CAUSE WAS A RED PROTECTION CAP HAD NOT BEEN REMOVED AND BECAME LODGED IN A SUCTION PORT OF THE SCAVENGE VALVE. SERVICED OIL AND REPLACED LUBRICATION UNIT.