What was found
FLT#1480, FLL-DCA. "ON DESCENT 10,000 TO 6000 FEET STRONG DIRTY SOCK FUME ODOR IN COCKPIT. TURNED OFF PACK 1 AND SMELL DISSAPATED WITHIN 4 MINS; COMPLIED WITH INFORMATION NOTICE 2017-T015L, STEPS 1 AND 2. IDENTIDIED ODOR TYPE 10 PER TSM 05-50-00-810-831A, DECONTAMINATION LEVEL A WAS ACCOMPLISHED PER AMM 21-00-00-615-802 WITH ENGINE AND APU ODOR COULD NOT BE DUPLICATED. A/C OK FOR SERVICE."