Pax feedback to staff(ADM) car 1618 waswarm. TC confirmed no air-con fault. Staff(YWT) checked and confirmed car 1618 set #2 tagged with maintenance tag. Car w as warm. ~~~~~ Pax feedback to staff(ADM) car 1618 was     Check #1619-A/C 2 RAD open nut no suction.No evaporator motor.Further check found evap motor running wrong direction and cause no suction.Found evaporator motor wiring U/V/W wrong installation.Re-install U/V/W and check wiring motor ok.Function test A/C 2 cut in/out ok,cooling ok and RAD suction very good.Montoring no observed a/c fault recure. Done by Koh/Sanip. 19/3/22