SnapRep reported 1638 saloon warm. ~~~~~ 1638 SnapRep reported saloon warm. CE checked 1638 both AC running but warm, suspect freon low.(27.5*C).  1638 no aircon related FC. Checked and found 1638 2-1 LP/HP 100/120 psi. After purge and vacuum freon, charged freon found LP/HP 100/110 psi. Suspect CCU choked. Notif 2561107 raised for CCU change-out.  Daniel/Redzwan 45305 Notif 2561107 Name                              : Redzwan Sukis    Date    Of    Occurrence          : 14/01/2024 Last    Service    Date           :   EMU/Equipment/Location            : 637/638/ CCU / 1638 - AC 2-1 Equipment Serial No. (if  any)    :   Description Of Fault/Cause        : 1638 - AC 2-1 CCU suspect                                        choke due to unable achieve                                      cooling. temp at 27 deg. Measurements    ( if  any )       :   Required   Rectification          : Required CCU C/O