As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4074, CREW REPORTED 3 EMERGENCY LIGHTS INOP IN CABIN. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED EMERGENCY EXIT BATTERY AND CHARGER AT SEAT 12 IAW W/C 33-002. OPERATIONAL CHECK GOOD AND NR 8194; AIRCRAFT RETURNED TO SERVICE.