As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERG LT NOT ARMED CAUTION MSG ON TAKE OFF AT APPROX 100 KIAS. THEN INTERMITTENTLY APPROX EVERY 3 MIN IN FLIGHT.-C/A-UPON FUTHER INSPECTION FOUND C/P FOR COCKPIT EMER LT SWITCH TO BE LOOSE. RESECURRED C/W. VERIFIED NORMAL OPERATION. REF EMB 140 SWPM 20-50-00. NO DEFECTS NOTED AT THIS TIME. REMOVED AND REPLACED EMERG/OVHD PNL LT SWITCH PANEL IAW EMB 140 AMM 20-13-10. OPC GOOD IAW EMB 140 AMM 35-50-00. REMOVED AND REPLACED CONTROL MODULE IAW AMM 33-21-01. OPS CHECK GOOD. NO FURTHER DEFECTS NOTED.