As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 3073 - EWR - FLIGHT CREW REPORTED STRONG SMELL NOTICEABLE IN PAST HALF OF ACFT CABIN. EWR MX PERFORMED OPERATIONAL CHECK OF THE PACKS AND PERFORMED CABIN CONTAMINATION TROUBLESHOOTING CHART SUCCESSFULLY - NO SMELL NOTED. ACFT WAS APPROVED TO RETURN TO SERVICE.