As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ORS INTO BOS @ APPROX 20,000 GOT R SIDE WINDOW OVERHEAT LIGHT. TURNED OFF FOR A FEW MINUTES AND BACK ON. OVERHEAT LT RE-ILLUMINATED. GROUNDED - YES. C/W B737-900 FIM 30-41 TASK 813 P5-9 CONTROL PANEL FAULT. RESET FAULT. ACCOMPLISHED WHCU BITE PROCEDURE IAW FIM 30-41 TASK 801. OPS NORMAL.