As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 1021, ON TAXI OUT PAX COMPLAINED OF SMOKE VIS AND ODOR. CONSULTED WITH QRH AND ATL MX. RETURNED TO GATE. NO NOTICE OF MUSTY SMELL. NO EVIDENCE OF OIL IN ENG OR APU SUPPLY DUCT. EXTERNAL VISUAL FOR LEAKS CKS GOOD. PER MCC DUE TO NO FINDING PERFORMED LEVEL A DECONTAMINATION WORK CARD 2100-2007. (LP 7568180)