As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENVIRONMENTAL SYSTEM SMELLED LIKE BURNING GLYCOL OR SOCKS. ODOR DISSIPATED AND RETURNED A COUPLE TIMES DURING FLIGHT. REMOVED AND REPLACED WATER SEPARATOR CONDENSER IAW MM 21-50-00-6. RAN AIRCRAFT APU AND ENGINES, OPS CHECKED CABIN BLEED AIR SYSTEM, OPS CHECKED GOOD, NO ABNORMAL ODORS COMING FROM THE BLEED AIR SYSTEM AT THIS TIME.