As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: F/A REPORTED ODOR AFT OF CABIN 10 MINUTES PRIOR TO LANDING, PAX WERE COUGHING AND REPORTED BURNING EYES. MAINTENANCE DETERMINED APU TO BE THE SOURCE. MAINTENANCE REMOVED AND REPLACED THE APU IAW CARD 26L31049005. OPS CHECKED GOOD.