TC reported air-con fault. Unable to reset. Staff (KRJ) checked and confirmed that car rear M1 #1 se t air-con faulty. Unable to reset. Car was warm. ~~~~~ TC reported air-con fault. Unable to res     #1552 A/C 1-1 & 1-2 coolant pressure fault.Top up freon from LP pipe,observed manifold reading spiked.Both a/c LP reading fluctuating ,Evaporator unit showing signs of choke.To follow up with evaporator uni c/o.AMMC informed,added to ADDL. Done by Jack/Sanip/Koh. 23/07/20