As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED LOSING OIL PRESSURE ON THE LEFT ENGINE IN CRUISE FLIGHT. THE ENGINE WAS SHUT DOWN IN FLIGHT TO PREVENT DAMAGE. REMOVAL OF THE OIL FILTER AND ITS INSPECTION SHOWED METAL CONTAMINATION IN THE FILTER. THE ENGINE WAS REMOVED FROM SERVICE.