As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT DIRTY SOCK SMELL IN AFT CABIN / GALLEY -PERFORMED TSM FOR CAUSE OF CABIN ODOR 05-50-810-831-A. NOTED FAINT SMELL OF DIRTY SOCKS FROM PACK 2 WITH APU BLEED. NO OIL CONTAMINATION NOTED AT APU INLET OR EXTERIOR OIL LEAKS. ISOLATED ECS SYSTEM PACK 1 NO ODOR NOTED. SEE NEXT ITEM FOR PACK 2 MEL.