What was found
DURING CRUISE, FL320, PILOTS L1 WINDOW OUTER FRAME CRACKED. MUTIPLE BROWN MARKS ALONG TOP WITH DELAMINATION. COMPLIED WITH QRH, TURNED OFF L1 WINDOW HEAT. INSPECTED WINDOW AND FOUND GLASS PANELS TO BE OK. THE INNER VINYL PANEL IS SEPARATED. 1 "CRACK" STARTS IN CENTER OF WINDOW AT THE TOP AND FORMS A "L" WITH 5" LEGS. THE OTHER "CRACK" STARTS 9" FROM UPPER INBD CORNER ON TOP OF WINDOW AND ENDS 2" BELOW UPPER INBD CORNER. R & R PILOTS L1 WINDSHIELD IAW AMM 56-11-011-4 WINDOW HEAT. OPS CHECK GOOD.