As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2791, DURING PREFLIGHT INSPECTION THE CREW REPORTED THE SECOND AND THIRD SECTION OF AISLE PATH LIGHTING TO BE INOPERATIVE. MAINTENANCE CLEANED THE CONNECTOR ON THE AISLE PATH LIGHTING, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.