What was found
3 OCCURRENCES IN A ROW OF EMERGENCY LIGHTS GOING ON IN FLIGHT. NR 1 FLT 4577 CLT, NR 2 4276 GSP, NR 3 4196 MDT. CREW REPORTED: NR 1 REMOVED AND REPLACED EMERGENCY LIGHTS CONTROL BOX AC RELEASED FOR SERVICE. FAILED AGAIN, SAME PROBLEM NR 2 FLIGHT, F/A PANEL EMERGENCY LIGHT SWITCH WAS REPLACED AND AC RELEASED FOR SERVICE. FAILED AGAIN ON NR 3 FLIGHT AND EMERGENCY LIGHT POWER SUPPLIES WERE REPLACED. DATE OF ENTRY IN AC RECORDS IS JULY 3, AS OF THIS DATE JULY 4, NOT REPORTED AS TO FURTHER DISCREPANCIES. REPORT WILL BE AMENDED UPON FURTHER INFORMATION. (K)