As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS EMERGENCY EVACUATION LIGHTS WERE ON MOST OF FLIGHT. SELECTOR SWITCH WAS IN ARMED POSITION. AFTER FLIGHT TURNING SWITCH TO OFF FAILED TO EXTINGUISH LIGHTS. REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY ABOVE L1 FLIGHT ATTENDANT SEAT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 31-51-38 AND 31-51-00.