As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1873, EWR-LAX. 'DIRTY SOCK SMELL IN DESCENT FROM 11,000' TO 5000'. THE ODOR DISSIPATED AFTER 5000' BUT WAS STILL PRESENT UNTIL LANDING ON THE GROUND. WE STARTED THE APU AND THE ODOR STOPPED ON APU BLEED; PERFORMED T/S PER TSM 05-50-00-810-831. INFO NOTICE IDENTIFIED TYPE A ODOR EVENT TEMPORARY PERFORMED DECONTAMINATION PER AMM 21-00-00-615-802. NO ODOR NOTED PACK BURN GOOD.'