As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT, CREW REPORTED EMERGENCY LIGHTS ON FLOOR AND EXIT SIGNS WILL NOT ILLUMINATE. ACFT REMOVED FROM SERVICE. REMOVED AND REPLACED NR 2 BATTERY PACK IAW WORK CARD NR 33-700-19. OPERATIONAL CHECK GOOD AT THIS TIME. ACFT RETURNED TO SERVICE. (K)