As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL/PHL - FLT 5758 - AFTER DEPARTURE FROM STL, CAPTAIN NOTED A LEFT ENGINE LOW OIL PRESSURE MESSAGE ON EICAS. CREW DECLARED AN EMERGENCY, SHUT DOWN THE ENGINE, AND DIVERTED TO CVG. AIRCRAFT WAS FERRIED TO BHM WHERE MAINTENANCE REPLACED THE GARLOCK SEAL. OPS CHECKED GOOD, AIRCRAFT WAS RETURNED TO SERVICE. REF: OPER CONTROL NR MASA98195.