As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK, MAINTENANCE FOUND THAT BOTH OF THE EXTERIOR EMERGENCY FLOOD LIGHTS WERE INOPERATIVE. IN ADDITION, THE EMERGENCY FLOOD LIGHT FOR THE TAIL CONE AFT EVACUATION SLIDE WAS NOT FUNCTIONAL. MAINTENANCE REPLACED SOME OF THE BATTERY PACKS AND EACH OF THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION.