As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANTS REPORTED A CABIN ODOR CAUSING HEADACHES AND NAUSEA THAT OCCURRED AS SOON AS APU BLEED AIR WAS SUPPLIED. MAINTENANCE PERFORMED ECS DECONTAMINATION, WASHED APU INLET AND AIRCRAFT BELLY AND REPLACED FILTERS. NO ODORS NOTED.