3542-AC 1-1 COMPRESSOR FAULT DURING TRAI ~~~~~ 3542 - A/C 1-1 COMPRESSOR FAULT DURING TRAIN PREP.  3542 A/c 1-1 checked coolant pressure fault. Checked low pressure = 25psi, high pressure = 110psi - OK. Checked CCU for any leak - OK. Charged freon slightly to LP 28psi & HP 115psi. Monitor for 2 hrs - OK.  Lee PT/Alcus 44210