As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1464, SJD-LAX. 'DISTINCT CABIN ODOR (MOSTLY AFT GALLEY) ON DESCENT. ODOR ALSO VERY DISTINCT IN COCKPIT AFTER TAXI AFTER TRANSITIONING TO APU BLEED. NO OUTSIDE FACTORS SUCH AS SMOKE NOTICED OR SEEN. ODOR SUBSIDES WITHOUT APU BLEED. ( APU BLEED AIR SUPPLY SYSTEM ).' (SUPPLEMENTAL TO FOLLOW)