TIMS indicated car 1565 air-con set #1 faulty. Staff (KRJ) checked and confirmed. Reset - ok. Car wa s cooling. TIMS indicated car 1565 air-con set #1 faulty. St aff (KRJ) checked and confirmed. Reset - ok. Car was cooling ~~~~~ 1565 TIMS indicated A/C 1 faulty. Staff (KRJ) confirmed. Reset - ok. Car was cooling. CE checked & found 1565 both ac OK. Temp 25.2c. 1565 A/C #1 compressor & coolant pressure fault.  1565 FC518 (AC1-1 HLPS) & FC519 (AC1-2 HLPS). AC 1-1 LP/HP : 15/80psi. Purge and vacuum, able to hold -30psi. Topped up freon, LP/HP: 35/115psi. No freon leak found on CCU. AC 1-2 LP/HP : 0/200psi. Purge and vacuum, able to hold -30psi.    Topped up freon, symptoms persist. LP/HP : 0/190psi. No leak found on CCU. Suspect evap choked. OPS 20 raised to replace AHU 1.  Sarma/Kamarul/Alan/Lee PT/Shafie 45445   1565 - A/C C/O AHU-1. Secure & Function check-Leak Check-Ok. Charge freon to criteria-Check Cut In/Out, Diffuser temp. Monitor for 1 hr-Ok.   Shahrie / Leong / Low K.C / Hussein. 07.06.2024. 1565- A/c #1 Evap C/o Old S/No: 032380. Noti to RSW-2606291.                       New S/No: 032250.