As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 2586 - BIS-FSD - LOST OIL PRESSURE ON LEFT ENGINE, SHUTDOWN ENGINE AND ELECTED TO LAND AT ABR. MAINTENANCE FOUND STRIPPED INSERT FOR OIL BYPASS BOLT. REPLACED INSERT IN ACCORDANCE WITH THE GARRETT MAINTENANCE MANUAL. PERFORMED RUNUP AND LEAK CHECK, NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.