As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L SIDE NR 2 WINDOW OVERHEAT WITH ARCING DELAMINATION AND CRACKING. FACT 10MAR19 04:42 DEN REMOVED AND REPLACED LEFT WINDOW NR 2 REF AMM 56-11-02-4. WINDOW OPS CHECKS GOOD REF AMM 56-11-02 AND WINDOW ANTI-ICING OPS CHECKS GOOD REF AMM 30-41-00. A/C OK FOR SERVICE.