As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT, THE EMERGENCY EXIT LIGHTS CHARGING CIRCUIT BREAKER WAS FOUND TO BE POPPED. MAINTENANCE CORRECTED MIS-WIRING AT ATTENDANT'S EMERGENCY EXIT LIGHT SWITCH AND REPLACED THE RIGHT NACELLE EMERGENCY BATTERY PACK. OPERATIONAL CHECK NORMAL.