As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LEFT ENGINE OIL PRESSURE WARNING ILLUMINATED IN FLIGHT WITH FLUCTUATING OIL PRESSURE, THE ENGINE WAS SHUT DOWN IN FLIGHT. MAINTENANCE FOUND THE ENGINE TO HAVE LOST OIL BEYOND SERVICABLE LIMITS. REPLACED THE LEFT ENGINE AND RETURNED THE AIRCRAFT TO SERVICE.