As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOTS WRITTEN DISCREPANCY (AIR SPEED INDICATOR NOT WORKING). FOUND AIR SPEED NOT WORKING AFTER CHECKING AIR SPEED AT PITOT. INSPECTED TUBING FROM AIR SPEED OUT TO THE PITOT MAST. FOUND WIRING FROM HEATED PITOT MAST HAD BURNED THROUGH TUBE. CUT DAMAGE PART OFF AND RE-CONNECTED LINE. SEPARATED WIRE FROM TUBING AND INSTALLED SPYRO IN PITOT TUBING.