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 TAIL COMPARTMENT WAS INOPERATIVE. MAINTENANCE FOUND CORRODED WIRES IN THE LIGHT ASSEMBLY AND REPLACED THOSE WIRES. THE FUNCTIONAL CHECK OF THE SYSTEM WAS SATISFACTORY.