TC reported when train is approximately4 to 5m from headwall, train inches forward very slowly towa rds CSP. No other fault indications. ~~~~~ To follow up.  3538 BCU replaced with GEN. 2.1 unit. Security check & Brake function test - OK. Air leak test = 0.4 bar/5 min. OPS 30 raised to follow-up. 3538 BCU S/N : OLD : 1827120 NEW : 1819177  Redzwan/Huzzaidi 44244 To follow up.  3538 replaced tacho 4 & limited movement - OK. No occurance of W/S/S. #3537 BCU replaced & brake function test - OK. OPS 40 raised for M/L test. #3538 Tacho 4 S/N : OLD : 9352079 NEW : 1024112 #3537 BCU S/N : OLD : 1820022 NEW : 1815134  Selvan/Alan 44245 537/538 - Mainline Test.  537/538 M/L test passed.  Sarma 44245 3537 TC reported when train is approximately 4 to 5m from headwall, train inches forward very slowly towards CSP. No other fault indications. Kelvin Tan requested RS and Signal depot to check this train jointly.  3537 checked all cars brake pressure - OK. awaiting feedback from SIG L. OPS 20 raised to follow-up.  Chan SW 44244