As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
5482-STL- LEFT ENGINE OIL PRESSURE WARNING LIGHT CAME ON DURING TAXI. GAUGE SHOWS GOOD PRESSURE. MAINTENANCE DEFERRED OIL PRESSURE WARNING LIGHT IAW J41 MEL 79-4. SUBSEQUENTLY MAINTENANCE CLEARED THE DMI REMOVING AND REPLACING THE #1 OIL PRESSURE SWITCH.