What was found
DURING INSPECTION, THE CREW NOTED CIRCUIT BREAKER E9 WAS OUT. THE CIRCUIT BREAKER WAS RESET. DURING THE RESET THE FA PANEL EMERGENCY PUSH BUTTON LIGHT FLASHED AND THE CIRCUIT BREAKER POPPED AGAIN. MAINTENANCE PERFORMED AN OPERATIONAL TEST OF THE EMERGENCY LIGHT SYSTEM AND DETERMINED THAT RELAY 75LN HAD FAILED. THE RELAY WAS REPLACED. OPERATIONAL CHECKS WERE GOOD WITH NOT FURTHER DEFECTS NOTED.