Snap: reported car 3640 ceiling leak due ~~~~~ Snap: 3640 reported ceiling leak due to condensation. CE: 3640-found nos.2 end B side Ac duct water leak to floor. Temp.23.4c.  3640 A/c 1 & 2 saloon filters replaced. Purged the drain pipes. Monitor & found no condensation on ceiling or water ponding at evaporator drain pan. Saloon temp. = 24*C.  Chan SW 44795