As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HISTORY OF LEFT SIDE WINDOW OVERHEAT IN TRAX AND CB B9 ON P6-11 PANEL THAT TRIPPED WAS FOR LEFT FRONT AND RIGHT SIDE. TSR IN WORK. GROUNDED - YES. PER HISTORY ON C/B TRIPPING B9, CONFIRMED WIRE HAS NO CONTINUITY TO GROUND. CHANGED COMPUTER PRECAUTIONARY REF B737-800 AMM 30-41-11 OPS TEST GOOD.