As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT REPORTED A STRONG DIRTY SOCK ODOR FROM MID CABIN AFT, DURING DESCENT THRU TAXING TO GATE. AIRCRAFT WAS GROUNDED. MAINTENANCE FOUND OIL LEAK AT APU GENERATOR. REPLACED THE SEALS ON APU GENERATOR IAW AMM 24-23-51. A SATISFACTORY OPERATIONAL AND LEAK CHECK ACCOMPLISHED WITH NO ODORS BEING NOTED.