As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LIGHT ON 17A EMERGENCY EXIT WINDOW STAYED ILLUMINATED DURING THE FLIGHT. ON DESCENT ALL FOUR (16A, 16F, 17F) ILLUMINATED. GROUNDED - YES. ACCOMPLISHED B737-800 33-50 TASK 801. INITIAL EVALUATION EMERGENCY EXIT LIGHTS ARE OPERATING NORMALLY.