As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE EMERGENCY LIGHT CIRCUIT BREAKER WAS FOUND TRIPPED DURING A LINE CHECK AND IT WOULD NOT RESET. MAINTENANCE FOUND THE TERMINALS ENDS ON THE WIRES TO SWITCH S1-387 OF THE FORWARD FLIGHT ATTENDANT EMERGENCY LIGHT CONTROL PANEL WERE NOT SECURED. THE SWITCH AND THE TERMINAL ENDS WERE ALL REPLACED AS WAS THE POWER SUPPLY AT 1L AFTER IT WAS FOUND SHORTED. SYSTEM FUNCTIONALLY CHECKS GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.