As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIRTY SOCK SMELL ON FINAL DES 12000 FT, PACK 1 OFF. RESOLVE THE PROBLEM IDLE POWER, PERFORMED INSPECTION OF APU COMP IAW AMM 49-13-00. NO DEFECTS FOUND. PERFORMED OPS CK OF BOTH PACKS IAW AMM 21-61-00. PACK NR 1 FOUND TO BE COMTAMINATED.