DT reported the following a/c coolant fa ~~~~~ DT reported the following a/c coolant fa     #3524 A/C 2-2 found short cycling and low freon.Further check CCU no sign of freon leak.Top up freon ok.#2524 a/c 2-1 short cycling and low freon,further check CCU no sign of freon leak,top up freon ok.#2523 a/c 1-2 found CCU motor shorted to ground.CCU U/V/W isolated Notification 2328124 raise for change out. Done by Sanip/Koh/Faddzal. 03/11/21