As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT SLIDER WINDOW HEAT O/H LIGHT ILLUMINATED. GROUNDED - YES. RELEASED PER MEL 30-11E. LT 2 WINDOW HEAT INOP. REMOVED EN-ROUTE PLACARD LT WINDOW PIGGY TAIL AND RAN WINDOW HEAT ON GROUND FOR SEVERAL HOURS-NO FAULTS NOTED. NO HISTORY LAST 30 DAYS. OK FOR CONTINUED SERVICE REF B737-800 AMM TASK 30-41-00-200-801.