What was found
AFTER LANDING, FLIGHT CREW ADVISED OF A STRONG DIRTY SOCK SMELL IN BOTH THE REAR AND FRONT OF THE AIRCRAFT. IN-FLIGHT STATED THAT THE ODOR BEGAN DURING DESCENT THROUGH ABOUT 7000 FT. TROUBLESHOT IAW INFO NOTICE 2017-T015B, SECT D. BORO INSPECTION PERFORMED ON THE NR 2 ENGINE. ENGINE WATER WASH CONDUCTED. NR 2 BLEED ECS DECONTAMINATION IAW AMM 21-00-00. AFTER ENGINE RUN WITH BLEED NR 2, NO ODOR. ECS WITH APU AND BLEED NR 1, NO ODOR. AIRCRAFT OK FOR SERVICE.