As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE PREFLIGHT INSP, FOUND THE FLOOR LIGHTING IS OUT AT ROW 4. THE ACFT WAS REMOVED FROM SERVICE. PERFORMED OPS CHECK ON THE EMERGENCY LIGHT STRIP IAW EX-335000-OPT-10000-001. THE LIGHTS CHECK WAS GOOD. NO PARTS R & R. THE ACFT WAS RETURNED TO SERVICE.