As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2573, THE CREW REPORTED A NR 1 BLEED OVERTEMP INDICATION WITH WING ANTI-ICE ON. THE AIRCRAFT RETURNED TO IAH WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 1 FAN AIR SENSOR, AND NR 1 PRE-COOLER. OPERATIONAL AND LEAK CHECKS WERE ACCOMPLISHED WITH NO DEFECTS NOTED, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.