As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. NAUSEOUS DIRTY SOCKS ODOR IN CABIN WHEN THE RIGHT PACK IS TURNED TO AUTO. CHECKED RECIRCULATION FILTERS, LEFT/RIGHT ENGINE INLETS AND APU PLENUM FOR CONTAMINATION. NONE NOTED. ACCOMPLISHED PACK 2 OPERATIONAL CHECK PER AMM 21-51-00, NO ODORS DETECTED. OPERATIONAL CHECK GOOD. (CLOSED)