As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT FOUND THE EMERGENCY ROW CEILING AFT LIGHT EXIT LOCATING SIGN TO BE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE EMERGENCY ROW CEILING LIGHT EXIT LOCATION SIGN. THE AIRCRAFT WAS RETURNED TO SERVICE.