As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURN TO FIELD FOR DIRTY SOCK SMELL & SICK PAX WHO COMPLAINED OF BURNING EYES & THROAT. THE FIRE DEPARTMENT HELD THE ACFT ON THE HARDSTAND & TREATED IT AS A BIO HAZARD. THE PAX WALKED OFF UNDER HER OWN POWER & REFUSED MEDICAL ATTENTION. THE ACFT WAS CLEARED & TAXIED TO THE GATE. A SUPPLEMENTAL WILL FOLLOW UPON COMPLETION OF MX.