As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS REMAINED ILLUMINATED AT ROWS 27 - 35 ON THE RT SIDE WITH SWITCH IN AUTO & OFF POSITION. WHEN TURNED ON, THE BACK OF THE CABIN LIGHTS ON FLOOR WERE INOPERATIVE, FRONTCABIN OK. R & R THE BATTERY PACK. EMERGENCY LIGHTS CHECKED OK IAW AMM 33-12.