What was found
FLT#808, STT-SJU. ' IN DESCENT BELOW 10,000FT STRONG DIRTY SOCK ODOR DETECTED IN FRONT AND BACK OF PLANE; COMPLIED WITH INFORMATION 2017-T015K,SECTION B2,IDENTIFIED ODOR TO BE APU BLEED SOURCE OF ODOR EVENT,DECONTAMINATION LEVEL B WAS ACCOMPLISHED PER TSM 05-50-00-810-085-B,SEE NEXT ITEM 4277808-2 FOR APU ACTION TAKEN.A/C OF FOR SVC.REPLACED (HEPA) FILTERS IAW AMM 21-21-41.'