CE reported 3542 aircon warm. ~~~~~ CHECK AND FOUND CONFIRM #3542 AC1 HAVING COOLANT PRESSURE AND COMPRESSOR FAULT.CHECK AC USING AC GAUGE FREON LOW,TOP UP TO WITHIN CRITERIA OK.FURTHER CHECK ON 3542 AC 1 CCU NO LEAK FOUND.CHECK EVAPORATOR UNIT FOUND FREON LEAK ON EVAPORATOR FIN.TO RAISE OPS20 TO C/O AHU.LOW CF/FAHMI S/FAHMI Y 21.07.2023 To Follow up C/O 3542 A/C 1 AHU     #3542 AC1 AHU replaced and function tested satis. S/N: 032025 (O) 634044 (N) Notification to CSC: 2509439 Done by Jack, Sanip, Rizman, Koh. 27/7/2023.