TC reported water seeping through detrainment ramp due to heavy rain, and requested for a cleaner toclean. SMCR was informed. ~~~~~ TC reported water seeping through detraiment ramp  Check found signs of water seepage due to heavy rain. Sealed up detraiment ramp with tape to ensure no further water seepage. Function test with water-ok. No more water seepage. Done by : Kamal, Imran and Henry