As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE DAMAGE WAS DISCOVERED ON WIRES AND PLUGS WHILE AIRCRAFT WAS IN MAINTENANCE CHECK. THE INSULATION WAS DAMAGED ON WIRES AT STA 218 DISCONNECTS IN FORWARD ENTRY OVERHEAD. HEAT SHRINK WAS APPLIED ON ALL AFFECTED AREAS, AND ALL WIRES WITH INSULATION DAMAGE WERE RESPLICED. AN OPERATIONAL CHECK WAS GOOD.