As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3468 - MAINTENANCE REPORTED AN ELECTRICAL BURNING SMELL WHILE DOING ANTI ICE CHECKS FOR A PIREP. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED RT AIR DATA SENSOR HEATER CONTROLLER IAW AMM 30-31-15, OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (A)