What was found
ON ARRIVAL DESCENT WE NOTICED A MUSTY ODOR FROM PACKS. THE SMELL WOULD COME AND GO. THE ODOR LEFT AND THEM CAME BACK AND WE NOTICED THE ODOR AT THE GATE AFTER SHUTDOWN. FA'S IN THE CABIN NOTICED IT THE MOST IN FWD GALLEY. C/A: C/W W/C 0550-2002. FOUND APU INLET DEICE FLUID CONTAMINATION. C/ W LEVEL B ECS DECONTAMINATION PER A320 AMM 21-00-00 AND W/C 2100 -2005. RAN LT AND RT ENGINES. NO ODOR. OK FOR SERVICE. (LP: 8082166)