EMU 567/568 #3568 A/C 2-1 Coolant pressu ~~~~~ To follow up - Suspect evaporator choke     #3568 A/C 2-1 after evaporator c/o,found high pressure built up(200psi)low pressure-45psi suspect CCU choke,to raise notification to RSW to follow up.Underframe AC terminal (U,V,W)isolated. Evaporator s/n: Old-32408  New s/n: 634116 Not: 2187498 Not: 2187499 raise for 33568 a/c 2-1 CCU choke. Done by Sanip/Koh. 8/08/20 3568 A/C 2-1 Coolant pressure fault.  3568 A/c 2-1 found low suction pressure & high discharge pressure. Suspect choke at evaporator. OPS 20 raised to follow-up.  Chan SW/Hanafi 44050