TC reported water sipping in through thedetrainment ramp.RSM. ~~~~~ 3625 TC reported water sipping in through the detrainment ramp. TC took video and forwarded to AMK DUTY RSM. CE: T226(3625) check no sign of rain water seepage(rain had stopped) but there is air seepage from the top/bottom part of the Ramp door(R/s).  3625 cleared debris from detrainment ramp mating surface. Removed 1 shim from bottom lock holder. Resealed the detrainment ramp gasket. Closed the ramp & checked no DIR lit up on 3625. Security checked - OK.  Hanafi/Redzwan 44434