As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO FIELD DUE TO SMOKE IN CABIN. NO FINDINGS OF GALLEY EQUIPMENT FAILURE. FA REPORTS SMELL IN FWD AND AFT CABIN, INCLUDING SEAT 4D. SUSPECT OTHER SOURCE OF SMELL. DENVER ALSO RAN PACKS WITH APU AND ENGINE BLEEDS NOTED NO ELECTRICAL ODOR ON AIRCRAFT. NOTED AFT LAV SMELLED AS IF NOT SERVICED FOR DAYS AND STRONG ODOR FROM LAV. A FT LAV SERVICED, OPERATED AFT GALLEY EQUIP. NO ODOR NOTED.