What was found
TROUBLESHOOT REPEAT REPORTS LEFT WINDOW HEAT CAUTION MESSAGES. <NOTE> PPG SUGGESTS CHECKING HEATER RESISTANCES WHILE AIRCRAFT IS PRESSURIZED AND APPLYING PRESSURE TO THE AREA AROUND THE CONTACTS USING YOUR FINGERS. <NOTE> HEAT CONTROLLER DOES NOT REPORT TO MDC AND HAS NO RELATED CODES. SEE CHRONICX LOG: N822SK-0237 FOR DETAILS OF PREVIOUS MX ACTIONS. MCI TYPE: TROUBLESHOOTING PRIORITY 2FAULT CODE: EICAS - L WINDOW HEATMANUAL ID: FIM 30-41-00-810-802 (FILED CLOSED)REMOVED AND REPLACED LH COCKPIT WINDOW IN REFERENCE CRJ 900 MIP 56-220-1000-SKY, OPS AND LEAK CHECK GOOD.