As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE WINDOW HEAT OVERHEAT CAME ON DURING CRUISE FAULT CODE 304 010 41. GROUNDED - YES. VISUAL INSPECTION OF PRIMARY AND SPARE SENSOR SHOWS DELAM. VERIFIED LH SIDE WINDOW RESISTANCE IAW B737-900 AMM 30-41-21. RESISTANCE READS 67.7 OHMS. MOVED WINDOW HEAT POWER LEAD W0420-1001-20 TO TERMINAL #2 ON TB5016 IAW AMM 56-12-11. REMOVED AND REPLACED LH SIDE WINDOW REF AMM 56-12-11. OPS AND LEAK CHECK GOOD.