As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 3099 - EWR - FLIGHT CREW REPORTED NR 1 SMELLED BURNING OIL AND HAD A SMALL AMOUNT OF SMOKE EMITTING FROM THE COWLING OBSERVED DURING POST-FLIGHT INSPECTION. EWR MX RAN ENGINE FOR SEVERAL MINUTES AND PERFORMED INSPECTION FOR LEAK AND SMOKE. NO LEAK NOR SMOKE DETECTED. ACFT WAS APPROVED TO RETURN TO SERVICE.