TC reported air-con fault. Unable to reset. Staff(RFP) checked and confirmed that car 2647 set #1 ai r-con faulty. Reset - ok. Car was cooling. ~~~~~ 1648 A/C 1 AHU to c/o TC reported air-con fault. Unable to reset. Staff(RFP) checked and confirmed that car 2647 set #1 air-con faulty. Reset - ok. Car was cooling. CE checked:3648 ac 1-ok.found Ac 2-power/vent/fault lit.unable to reset fault.Temp.26.1c 1648 Temp at 26.1C   #1648 AC1-1 found freon low. Charge freon. Aircon able to cut in and cut out. Previously 1648 AC1 freon level kept dropping after running mainline. CCU was changed out 12/11/23. Ops20 for AC1 evap change out preventively. #3648 AC2 found AC2 inverter failure (608/628) FC. Check motor and fan resistance ok. A/C control unit swapped, fault still remain. Ops20 evaporator unit change out Done by: sanip and Rizman 45259 3648 AC2 evap c/o (inverter fault) and 1648 AC1 evap c/o (possible freon leak)  3648 A/C 2 AHU C/O done. Monitor Aircon able to cut in/Cut out. Monitor for 2 hour no inverter fault occurance. 3648 a/c 2 AHU NEW:331158 OLD:535099 Notif csc:2546914 Done by Saini/Zulq/Haslan 45259