As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 5252 DURING THE PREFLIGHT CHECK THE CREW FOUND THE EMERGENCY EXIT LIGHTS SWITCH WAS IN THE ON POSITION. THE FLIGHT ATTENDANT REPORTED THAT THE EMERGENCY LIGHTS WERE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED ALL EMERGENCY BATTERY PACKS IAW AMM 33-50-04. SERIAL NUMBERS: 104897, 72744, 103849 AND 62032. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.