As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4505, FLIGHT ATTENDANT CAME ONBOARD AND FOUND THE EMERGENCY LIGHTS ON. THE BACK HALF OF THE FLOOR STRIP AND OVERWING EXITS DID NOT LIGHT. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED BOTH NR 3 AND 4 EMERGENCY BATTERY POWER SUPPLY. OPS CHECKED GOOD AS PER AMM 33-50-04. NO FURTHER DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.