As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION FOUND THE CABIN EMERGENCY LIGHT STRIP NR 1 TO BE WRONG PART NUMBER. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LIGHT STRIP NR 1 IAW EMB140 AMM 33-50-12. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.