As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"FLIGHT ATTENDANTS NOTICED SMELL IN CABN WHEN GEAR EXTENDED ON APPROACH.-REF TSM 05-50-00-810-831-A. PERFORMED OPS TEST OF THE CONDITIONAL SERVICE AIR SYSTEM WITH BLEED, FOUND NO SIGNS OF CABIN ODOR WITH AEROTRACER OK FOR SERVICE. IAW AMM 21-58-00."