As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON OVERNIGHT INSPECTION OF EMERGENCY LIGHT SYSTEM, IT WAS DISCOVERED THAT THE EMERGENCY LIGHTS WERE INOPERATIVE FROM ROW 28 AFT TO TAIL CONE COMPARTMENT. CLEANED AND RE-SEATED BATTERY PACKS AT ROW 31 AND IN RIGHT AFT LAVATORY. OPS CHECKED NORMAL.