As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH, PITOT HEAT CAUTION LIGHT ILLUMINATED FOLLOWED BY AIRSPEED MISMATCH MESSAGE, ALTITUDE FAIL MESSAGE, AUTO PILOT/YAW DAMPER DISCONNECTED, AND SEVERAL OTHER CAUTION LIGHTS. UNEVENTFUL LANDING COMPLETED MX CONFIRMED THE NR1 PITOT/STATIC PROBE HEATER WAS NOT WORKING. REPLACED NR1 PITOT PROBE. FULL FUNCTION TEST OF NR 1 AND NR 2 PITOT STATIC SYS, NO FAULTS NOTED. ACFT RETURNED TO SERVICE.