Train prep.#3521 found BCP zero,encoder ~~~~~ Train prep.#3521 found BCP zero,encoder fault, To rectify  #3521 Checked FC309(brake demand PWM) & 201/207/208 (BEU Coms) & 301/307/308 (BCU Coms) & 315 BCU suspension pressure fault & 314 BCU control pressure fault. Brake pressure avail at EM but BCP 0 when service brake applied (B1-3). Changed out brake encoder unit and brake control unit to no avail. Swapped BEU from 3521 to 3522 to no avail. Changed out ACU at 3521 to no avail. Changed out PR transmitter at 3521 to no avail. Swapped TRCB PCB (both LHS and RHS) from CU of 3521 to 3522 to no avail, swapped back. Ops 20 to further troubleshoot. Done by: Kamal/Khalid 45287 To further check 3521 BCP zero  Swappped BCP 1 and BCP 2 to no avail. Further checked found EMFR burnt mark. Contact 4/5 OL. Replaced EMFR and function checked brake cyclic, BCP ok. Brake status on/off ok. Parking brake test ok. Depot shunting ok. Stable ok.    #3521 KSF A ACU old: 1024-005 new: 1025-009 Notif: 2555297 KSFA BEU old: 9938014 new: 1040-040 notif: 2555295 KSFA PR transmitter old/new:   Notif: 2555298 KSFA BCU Old: 1809060 new: 1811085 notif: 2555324 Done by: Haslan/Fauzi/Zulq 45288