What was found
FLT 928, MCO-SJU. DIRTY SOCK SMELL AFT CABIN APPROX PASSING 10000 FT ON DESCENT ; COMPLIED WITH INFO NOTICE 2017-T015F SEC. B APU PLACED ON MEL 36-12-02A, MX4 UPDATED, PLACARD INSTALLED. MCC NOTIFIED. AICRAFT OK FOR SERVICE. APU BLEED/LOAD CONTROL VALVE SECURED IN THE CLOSED POSITION PER AMM 49-51-00. (SUPPLEMENTAL INFO TO FOLLOW)