As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE SIDE WINDOW OVERHEAT AMBER LIGHT IN FLIGHT. LIGHT CAME BACK ON AFTER COOL OFF PERIOD. GROUNDED - YES. LEFT SIDE WINDOW HEAT FILM RESISTANCE CHECKED AND TAP VERIFIED. REF B737-900 WDM 30-41-12. INSTALLED NEW L2 SLIDING WINDOW. ADJUSTED, HEAT AND LEAK CHECKED WINDOW REF B737-900 AMM 56-12-11-400-801, AMM 56-12-11-820-801. CLEARS MEL 30-11E.