As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT THE PILOT NOTICED THE INSTRUMENT SUBPANEL LIGHTING FLICKERING. UPON INSP THE WIRE BUNDLE THAT CROSSES OVER THE CENTER SUPPORT FWD OF THE INSTRUMENT PANEL HAD (2) WIRES CHAFED AND ARCING ON THE SUPPORT. DAMAGED SECTION OF THE WIRING WAS REPLACED AND WIRE BUNDLE WAS SUPPORT TO PREVENT FURTHER DAMAGE.