As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CIRCUIT BREAKER BEHIND CAPTAIN SEAT B2 (HEAT PITOT 1) WHEN PULLED ELECTRIC BURN SMELL.-C/A-FOUND K0054 RELAY PITOT CURRENT SENSOR TO HAVE A ELECTRIC BURN SMELL. REMOVED AND REPLACED PITOT CURRENT SENSOR K0054 IAW EMB 145 AMM 30-31-01. PERFORMED OPERATIONAL CHECK OF PITOT / STATIC PORT HEATING IAW EMB 145 AMM 30-31-00. OPS CHECK GOOD. NO BURN / ELECTRIC SMELL PRESENT.