TIMS showed propulsion high speed breaker fault at car 2505. TC reset power fault and fault cleared.Fault recurred while arriving BDL1. Reset - ok at BSH1. ~~~~~ TIMS showed propulsion high speed breake     Check Tims found FC-108/118/136 Propulsion fault. Further check found #2505 INV2 FC1 U phase IGBT exploded. 0020 raise to follow up INV2 c/o. Checked by Sanip/Faddzal. 04/04/21 #2505 INV2 Faulty to C/O. Replaced #2505 INV2 ok.Replaced Inverter control unit ok.Checked INV1 ,BCH,Pre-charging resistors and Brake resistor ok.Found K contactor tips over,replace ok.Carried out proplusion no power test,results ok.Carried out propulsion power test,ok.Carried out limited movement no abnormalities observed from traction motors KSF"A" INV2 (#2505) Old s/n: 542R1-4H New s/n: 104RB0-5H #2505-Inverter Control Unit. Old s/n: 542R1-3H New s/n: 572R1-3H #2505-GAF-97 Old s/n: 542R910-4H New s/n: 104RY907-8H Done by Zulq/Saini/Koh/Din/Haikel  06/04/21