What was found
FLT 2625, RDU-FLL. DIRTY SOCK SMELL DETECTED BY ALL CREWMEMBERS DURING DESCENT; ACCOMPLISHED INFO NOTICE 2017-T015F LEVEL 1 ODOR EVENT(ENVIRONMENTAL SYSTEM). ACCOMPLISHED SECTION A, LEVEL 1 ODOR CONDITION CHECK DUE TO SEVERAL WRITE-UPS. ACCOMPLISHED APU COMPARTMENT CLEAN. R & R CABIN AIR FILTERS IAW AMM 21-21-51.COMPLIED WITH INFO NOTICE 2017-T015F, SECTION A. AIRCRAFT IS OK FOR SERVICE.