As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TWO LIGHTS INOPERATIVE IN FLOOR EMERGENCY PROXIMITY LIGHTING SYSTEM AND FORWARD LOWER EMERGENCY EXIT SIGN INOPERATIVE. FOUND BATTERY PACK AT POSITION 400 TO BE AT FAULT REMOVED AND REPLACED BATTERY PACK. OPERATIONAL TEST NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)