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 THE FORWARD AND MIDDLE OF THE EMERGENCY PATHWAY LIGHTS FOR THE CATWALK IN THE TAIL COMPARTMENT WERE INOPERATIVE. MAINTENANCE FOUND THE CATWALK AFT SPLICE PACK WERE CORRODED AND REPLACED THEM BOTH.