As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FUME EVENT TALL NORMAL TO POWER STRONG OIL SMELL ON FLIGHT DECK PERSISTED DURING CLEAN UP. RETURNED TO MIA SHUT DOWN LEFT ENGINE DURING TAXI IN FUMES BECAME STRONGER. ACCOMPLISHED TROUBLESHOOTING CARD. REPLACED AIR CIRCULATION FILTERS.