As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - FOUND THE EMERGENCY EXIT LIGHTS FAILED TO ILLUMINATE, AT THE LEFT OVERWING EXIT AND OVERHEAD AISLE, WITH THE NO SMOKING LIGHTS SELECTED ON. THE LIGHTS CAME ON WHEN THE EMERGENCY LIGHTS WERE SWITCHED ON. MAINTENANCE REPLACED THE EMERGENCY POWER SUPPLY UNIT AT THE LEFT OVERWING EXIT. OPS CHECKED OK. (M)