As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 2543 - DIVERTED TO TYS FROM ERW EN ROUTE TO MEM WHEN THE CREW RECEIVED A MESSAGE OF NR 1 ENGINE BLEED LEAK. MAINTENANCE REMOVED AND REPLACED THE OVER THE WING THERMAL SWITCH IAW EMB 145XR 36-20-02. OPS CHECK GOOD. ACFT RELEASED TO SERVICE.