Hotbox triggered 3648 - A2,79 ~~~~~ #3648 FC 309 BCU BRAKE DEMAND PWM FAULT.317 BCU TRAILER BACK O  FAULT.#2648 309 BCU BRAKE DEMAND PWM FAULT.3648 AND 2648 BOTH CAR BRAKE CYCLIC TEST,BCP,BRAKE SHOES FUNCTION TEST RELEASE ON COAST ,APPLIED ON B3 OK.PREVENTIVE SWAP BCU TO 3648 TO 2647,2648 TO 2647.WHEEL DIAMETER SET OK.#1648 426 APS BATTERY OVER TEMPERATURE ,427 APS BATTERY    LOW VOLTAGE .C/O 1648 BATTERY BANK FUNCTION TEST OK.METTA/RAM 24.07.2024 1648 BATTERY C/O NEW 2019-34 OLD 2016-56 NOTIFICATION 2620425 SWAP BCU 1)3648 (15-37-248) TO 3647 (14-49-093) 2)2648 (14-46-067) TO 2647 (15-37-245)