As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNKNOWN ODOR IN CABIN. CREW REPORTED NO SMOKE OR NO ELECTRICAL ODOR IN CABIN. F/A BECAME NAUSEOUS DUE TO ODOR. GROUND RAN BOTH ENGINES AND APU WITH THE NR 1 & 2 PACKS IN OPERATION. NO OBVIOUS ODORS AT THIS TIME. AIRCRAFT OK FOR SERVICE.