As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A'S REPORT SWEATY SOCKS SMELL DURING FINAL DECENT INTO ACY. STRONGEST AT REAR OF CABIN-PERFORMED MANUAL ENGINE START IAW AMM 71-00-00. T/S WITH ENGINE BLEEDS AND PACK 1&2. NO DEFECTS NOTED. REF L/P 2900080-1. APU CONFIRMED SOURCE OF CONTAMINATION. REF L/P 2900080-2. APU ON DEFERRAL. A/C OK FOR CONTINUED SERVICE. AIRCRAFT STATUS NORMAL.