As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BUR - FLIGHT 2552 - AFTER ACTIVATION OF THE PROBE HEAT SWITCHES, THE LEFT AOA HEAT CAUTION MESSAGE APPEARED AND CIRCUIT BREAKER POPPED. RESETTING THE CIRCUIT BREAKER HAD THE SAME EFFECT. RETURNED TO THE GATE. MAINTENANCE REPLACED THE AOA TRANSDUCER. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.