As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB, RECEIVED A PITOT HEAT STANDBY CAUTION. CIRCUIT BREAKER ON RT ESS L7 TRIPPED DURING ICING CONDITIONS. LOST NR 3 AIRSPEED INDICATION. INSPECTED WIRING TO STANDBY PITOT PROBE. NO DEFECTS NOTED. OPERATED PITOT HEAT ON GROUND. UNABLE TO DUPLICATE PROBLEM. R & R STBY PITOT PROBE AS A PRECAUTIONARY MEASURE IAW AMM 34-12-11-000-801 & 34-12-11-400-801. PROBE OPS CHECKED GOOD. STBY PITOT STATIC LEAK CHECKED GOOD IAW MX 6341102. RETURNED TO SERVICE.