As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2432: PITOT HEAT STANDBY CAUTION ILLUMINATED DURING TAXI FOR TAKEOFF. MAINTENANCE REMOVED AND REPLACED THE STANDBY PITOT/STATIC PROBE IAW AMM 34-12-11. C/W PITOT/STATIC LEAK CHECK IAW MTC 6341102. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE.