As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 5599-STL-FLIGHT ATTENDANT REPORTED A STRONG ODOR OF SMOKE IN THE FORWARD CABIN. MAINTENANCE RAN BOTH ENGINES BLEED AIR SYSTEMS AND PACKS. IN ADDITION THE CABIN AND GALLEY AREAS WERE INSPECTED. NO DEFECTS COULD BE FOUND AND NO FURTHER ODORS NOTED.