As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE OIL QTY WENT TO ZERO FOLLOWED BY OIL PRESS FLUX. AS CREW WAS FOLLOWING CHECKLIST LEFT ENGINE OIL PRESSURE INDICATION STARTED FLASHING RED CREW THEN SHUT ENGINE DOWN. THIS OCCURED AT CRUISE FLT. REMOVED AND REPLACED NR 1 ENGINE PRECOOLER CARBON SEAL AND OIL PUMP. RAN NR 1 ENGINE FOUND EXCESSIVE OIL LEAK IN TAILPIPE. REPLACED NR 1 ENGINE PER TRANS 6T103.