Staff reported car comp and coolant pres ~~~~~ 521/522 Staff reported car comp and coolant pressure fault on following cars: 1522 A/C 1-1 2522 A/C 1-2 2521 A/C 2-1  1522 A/c 1-1 system pressure & operation checked - OK. #1522 A/c 2-1 checked/found compressor free-wheeling. Notif 2439684 raised to RSW for C/o. #2521 A/c 2-1 found system pressure slightly low. Top up freon & tightened discharge v/v. Function check - OK. Saloon temp. = 24*C.  Irwan/Chan SW    44893 Notif 2439684 Name                          : Chan Soon Weng Date of Occurrence            : 27/11/22 Last Service Date             :   EMU / Equipment / Location    : 1522/Aircon #2-1 unit Equipment Serial No. (if any) :   Description of fault / cause  : Compressor free wheeling effect. Measurements (if any)         :   Required Rectification        : Required Servicing 2521 3WC1 To check evap fot leak.