As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 2879 DURING THE PREFLIGHT INSPECTION MAINTENANCE FOUND THE NR 4 EMERGENCY LIGHT STRIP HAD A BROKEN CONNECTOR. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 4 EMERGENCY LIGHT STRIP IAW EMB AMM 33-50-12. THE OPERATIONAL TEST WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.