Pax feedback tostaff(TIB) one of the saloon car was warm.TC confirmed no air- con fault.Staff (TPG) checked and feedback car 2689 was warm but air- con fa ult. ~~~~~ 2689 Pax feedback to staff(TIB) one saloon car was warm. TC confirmed no air- con fault. Staff(TPG) feedback 2689 was warm but air-con fault. CE:Checked n found #1689 Both Ac status ok. Saloon temp Acceptable 2689 Both Ac unable to cut in n having w/intermittent APS fault Suspect Ac1 faulty Isolated faulty Ac  Saloon slightly warm  2689 FC 408 (APS fault) Checked and found 2689 AC1-1 shorted to ground. Removed AC1-1 U,V,W cable and insulated. APS fault cleared. Notif (2571230) raised to c/o CCU. Azmi/Farid/Mohan 45338