What was found
COMPRESSOR TEMP SENSOR L FAILURE OF BOTH CABIN TEMPERATURE CONTROLLER (CTC) LEFT PACK COMPRESSOR OUTLET TEMPERATURE SENSORS IN LEFT PACK. STATUS MSG-2123441 LATCHD ER MODE MSG-2123441 LATCHD ER MODE. REPLACED COMPRESSOR DISCHARGE TEMP SENSOR 2 (CTC SIDE ) AND CHECKED BOTH FCV CONDITION. CONNECTORS A LITTLE LOOSE (FOUND RED LINE). RECONNECTED CONNECTORS. CHECKED LEFT PACK INLET AND OUTLET. CONDITION OK ALSO OUTLET CHECK VLV HINGE LUBED.PACK OPERATION TESTS OKAY.