EMU 525/526 During DT found # 1526 A/C 2-1 coolant pressure fault. ~~~~~ EMU 525/526 During DT found # 1526 A/C 2     #1526 A/C 2-1 Check found low freon-top up to LP=40psi. Tested a/c operation ok. Done by Gopal/Anathan. 01/09/20