As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR - FLIGHT 3332, DURING PREFLIGHT INSPECTION THE CREW REPORTED THAT AN EMERGENCY EXIT SIGN IN THE CABIN WAS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE AFFECTED EMERGENCY LIGHT INVERTER, OPERATIONALLY CHECKED WITH NO DEFECTS AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.