TIMS showed "air-con fault Rear M2 car #1set inverter failure". Unable to reset. Staff(BBT) checke d and confirmed that car 1618 set #1 air-con faulty. Reset -ok. Car was cooling. ~~~~~ TIMS showed "air-con fault Rear M2 car #   Checked TIMS confirmed FC 508 AC 1 inverter failure self cleared. Checked AC 1 of 2541 able to run as pernormal with cut in/out, measured saloon temperature ok, cooling. OPS 20 raised to replace AHU of AC 1. Done by: Alauddin (2/4/24) To replace 2541 AC 1 AHU  A/C 1 Evaporator change out done. Function test ok old:535007 new:032253 notif:2587271 Done by Koh/Sanip/Jack 07.04.2024