Train encountered power fault at car 2663 while departing station. Reset at TIB to no avail. TC feed back slow pickup. Train encountered power fault at car 2663 while departing station. Reset at TIB to no avail. TC feedba ~~~~~ 2663 Train encountered PF departing station. Reset at TIB to no avail. TC feedback slow pickup. CE : 3664 having propulsion fault on car 2663 Aps ok . Trn performance slightly tc fb slow.  2663 FC 108(Propulsion Fault),FC 101 (Propulsion Com fault),FC 107 (Propulsion com error6). Measured charging resistor - ok. Check line breaker contact tips - ok. Swapped 2663 both TRC6 for monitoring. Swapping S/n: TRC6 (left) 2663: DE93878 2664: DE93852 TRC6 (right) 2663: DE93879 1663: DE93881  Daniel/Chan SW/Redzwan 45421 To follow up rectification.  2663 FC 137 (Propulsion Pre-charging Resistor Protection). Measured CHRe, INV1 & INV2, LSK - OK. Found #2663 BCH IGBT shorted. OPS 30 raised for BCH c/o.     Alan/Sarma/Anand/Shafie/Karmal/Lee PT 45421 To C/O BCH.  2663 FC 108 & FC 137. Checked/found BCH faulty & replaced - Done. Function check & No Power Test - OK. Limited movement & found unusual noise on #2663 Axle 4 due to WN coupling loose. Notif 2598282 raised to RSW to rectify. PRCB isolated & tagged. Preventive check - OK. Swapped VVVF from #2663 to #1663 & fault did not transfer. NOTE : #2663 motor sensor cable swapped & Axle 4 still jerky. Swapped INV1/INV@, VVVF controller, Axle 4 still jerky.  Sarma/Alan/Kamarul/Anand/Shafie 45427 #2663 BCH S/N : OLD : - NEW : 607RBO-HH VVVF S/N : #2663 : 507RBO-3H #1663 : 507RBO-2H