As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FINAL APPROACH FLIGHT ATTENDANTS TOLD US THERE WAS AN ODOR IN THE FRONT AND THEY WERE GETTING HEADACHES-PERFORMED OPS CHECK OF BOTH PACK 1 AND PACK 2 THRU APU BLEED SYS FOR 10 MINUTES ISOLATED BOTH PACK INDIVIDUALLY, NO FAULTS OR OBNOXIOUS SMELL NOTED IAW AMM 21-61-00-710-001-A. A/C OK FOR SVC.