As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CO-PILOTS FWD WINDOW HT OVERHEATS AND POPS C/B. HISTORY: WINDOW AND PITOT HEAT MODULE WAS REMOVED AND REPLACED FOR LP 7366891 AND RERACKED FOR LP 636890 ON PREVIOUS FLIGHTS 30 MAR00. CHECKED WINDOW ELEMENT FOR RESISTANCE AND CORRECT INSTALLATION, OK. REPLACED 25 AMP CIRCUIT BREAKER AND C/W AWA TASK CARD A1B30001 NO FAULTS.