As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT NOTED LOW OIL PRESSURE ON LEFT ENGINE DURING FLIGHT. MAINTENANCE INSPECTED AND FOUND METAL PARTICLES SIMILAR TO A PISTON RING AT OIL FILTER, WASTEGATE SOLENOID SCREEN, & OIL PUMP SUCTION SCREEN. THE ENGINE HAS BEEN REPLACED WITH NO FURTHER DEFECTS.