What was found
FLT#852, CUN-JFK. 'AFT FLIGHT ATTENDANTS SMELL FUMES "AKA DIRTY SOCK" ON DESCENT. THE FUME FORM FILLED OUT; REF LP 3775110-2 (PERFORMED ENG RUN ISO PACKS 1 AND 2 COULDN'T DUPLICATE DIRTY SOCKS SMELL IAW AMM 21-00-00. CONTINUE TROUBLE SHOOTING. ), 3775111-1 (ACCOMPLISHED DECONTAMINATION OF ECS LEVEL B IAW AMM 21-00-00-615-803-B. NO DIRTY SOCK SMELL NOTED. REF L.P 3775110-1 FOR HARD ITEM SIGN-OFF.) AND 3775111-2 (ACCOMPLISHED INSP OF THE APU IAW AMM TASK 49-00-00-200-811-A. NO SIGNS OF CONTAMINATION OR OIL LEAKS AND C/W DECONTAMINATION OF THE BLEED-AIR DUCT SYS DISCONNECTED AT HP GROUND CONNECTOR W/ APU BLEED REF AMM 36-12-00-615-807-A.) FOR ALL CORRECTIVE / TROUBLESHOOTING FOR HARD ITEMS. NO DIRTY DOCK SMELL NOTED. A/C OK TO CONT SVC.'