As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BTB - BLEED AIR L TEMP HI ALERT AFTER PUSH BACK. // PERFORMED FIM 36-10 TASK 804. FOUND LEFT SUPPLY TEMP SENSOR READING HIGHER THAN 406 C. REMOVED AND REPLACED SENSOR PER AMM 36-13-07. OPS CHECK GOOD. SENSOR READOUTS GOOD. OK FOR SERVICE.