As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AIRCRAFT NOT GROUNDED) DIRTY SOCK ODOR REPORTED BY FA'S FROM ROW 16 AFT. DURING DESCENT QRH SUPP. PROCEDURES APPLIED WITHOUT SUCCESS. FA 4 FELL ILL AND WAS HOSPITALIZED. ODOR REMAINED PRESCENT AFTER OPENING DOORS AND WINDOWS. / PERFORMED LEVEL 1 TC 21-000-001. NO SMELL REPRODUCED AT THIS TIME AND NO OIL LEAK PRESENT AT APU INLET PLENUM NOTED AT THIS TIME."