As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 4224 MAINTENANCE FOUND THE EMERGENCY LIGHT STRIP AT ROW 8 AND 9 TO HAVE BROKEN WIRES. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE EMERGENCY LIGHT STRIP AT ROW 8 AND 9. THE OPERATIONAL CHECK WAS GOOD IAW EMB AMM 33-50-12. THE AIRCRAFT WAS RETURNED TO SERVICE.