What was found
DURING CRUISE ARCING OBSERVED ON THE UPPER EDGE OF THE LEFT WINDOW, AFTER FURTHER EXAMINATION A DELAMINATED LINE IS VISIBLE ON THE AFT PORTION OF THE WINDOW. ADDITIONALLY THE FORWARD PORTION OF THE WINDOW WAS EXTREMELY HOT TO THE TOUCH, TO THE POINT IT WOULD BURN YOUR HAND, WHILE THE AFT PART OF THE WINDOW WAS ICE COLD. (FLIGHT 6941) REMOVED AND REPLACED LH WINDOW WITH A SERVICEABLE UNIT IAW AMM 56-12-01 PER CRJ 700 TASK CARD 56-220-1000-SKY. OPS CHECK OF WINDOW HEATER ELEMENT GOOD AT THIS TIME. PRESSURIZATION CHECK GOOD AT THIS TIME.