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 EMERGENCY PATHWAY LIGHTING FOR THE CATWALK IN THE TAIL COMPARTMENT WAS INOPERATIVE. MAINTENANCE FOUND A CORRODED WIRE FOR THE TAIL COMPARTMENT LIGHTS AND REPAIRED IT. FUNCTIONAL CHECK WAS GOOD.