As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND WINDOW HEAT CONTROL LEFT SIDE AC CB ON P18-3 BROKEN. GROUNDED - YES. REMOVED AND REPLACED WINDOW HEAT CONTROL LEFT SIDE AC CB ON P18-3 REF B737-800 WDM 30-41-12. B737-800 SWPM 20-30-00. OP CHECK PASS PER B737-800 AMM 30-41-00-710-801.