As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE EMERGENCY LIGHTS WERE ONLY PARTIALLY ILLUMINATED AND THAT THEY WOULD NOT EXTINGUISH WHEN CYCLING THE SWITCH. MAINTENANCE REPLACED THE NUMBER 3 EMERGENCY BATTERY. OPERATIONAL CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.