What was found
PDIS 660 56-10 4628 03JUN21 LAX OPEN U IN CRUISE RIGHT WINDOW HEAT FAULT ILLUMINATED. COMPLIED WITH QRH. CREW NOTED SPARKS IN MIDDLE AND UPPER RIGHT OF WINDSHIELD. 03JUN21 12:38 LAX R SHGN 04JUN21 21:36 LAX COMPLIED WITH INSTALLATION OF FO'S WINDSHIELD REF AMM 56-11-11-04 TO STEP 1E 15. NEED TO CONTINUE INSTALLATION. SHGN 05JUN21 00:18 LAX WINDOW TEMP CONTROLLER (20DG) AND WINDOW HEAT PROTECTION UNIT (88DG) REPLACED ON WRI'S 30-40/4632 & 30