As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L2 LT SIDE WINDOW OVERHEAT AT FL370, ACCOMPLISHED QRH PROCEDURE. OVERHEAT LIGHT ILLUMINATED AGAIN. ACFT GROUNDED. WHCU BITE SHOWED SENSOR FAULTS. ACCOMPLISHED FIM 30-41-811, NO ADDITIONAL FAULTS FOUND. R & R, AND TESTED LT SIDE WHCU IAW MM 30-41-11. ALL TESTS PASSED. VERIFIED OPS CHECK NORMAL FOR THE LT SIDE WINDOW IAW AMM 30-41-11.