As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON INITIAL CLIMB THE FLIGHT ATTENDANT INFORMED THE CAPTAIN THAT SHE SMELLED FUMES IN THE CABIN AND ALSO THOUGHT SHE SAW SMOKE. AS A PRECAUTION THE CAPTAIN RETURNED TO DEPARTURE AIRPORT. A NON EMERGENCY LANDING WAS MADE. MAINTENANCE RAN ENGINE ON GROUND AT IDLE WITH PACKS ON. NO EVIDENCE FOUND OF SMOKE OR BURNING ODOR. AIRSTART CART SOURCE OF SMELL IN CABIN. REMOVED AIR CART FROM SERVICE.