As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOTICED STRONG ODOR OF DIRTY SOCKS. APU BLEEDS ON , WHILE EXTERNAL AIR CONNECTED . TURNED OFF APU BLEED. ACCOMPLISHED TSM 21-00-00-810-801-A. FOUND THE APU LEAKING OIL FROM THE GENERATOR. PERFORMED DECONTAMINATION OF THE ECS. AFTER DECONTAMINATION FOUND NO DEFECTS OR NO DIRTY SOCK ODOR IAW AMM 21-00-00. AIRCRAFT OK FOR SERVICE.