As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT REPORTED SLIGHT ELECTRICAL FOLLOWED BY DIRTY SOCK ODOR IN CABIN. AIRCRAFT WAS GROUNDED. FOUND APU TO BE SOURCE OF ODOR. APU OIL LEAK CAUSING CABIN ODOR, FOUND LEAK AT APU GENERATOR PLUG BELOW FEEDER LUGS. APU INLET ELBOW HAD HEAVY OIL AND GRIME CONTAMINATION INSIDE. MAINTENANCE ACCOMPLISHED CARDS 26L00021002. MAINTENANCE REPLACED THE APU GENERATOR AND PERFORMED SATISFACTORY OPERATIONAL CHECKS.