As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE BRAKE CHANGE, NOTICED THE BRAKE TEMPERATURE SENSOR WAS UNSERVICEABLE DUE TO A CRACK GOING ALL THE WAY AROUND THE BASE OF THE PROBE. THE SENSOR WS REPLACED AND THE BRAKE CHANGE WAS COMPLETED. AIRCRAFT WAS RETURNED TO SERVICE. SUBMITTER RECOMMENDATION WOULD BE TO BEEF UP THE PROBE DIAMETER AT THE BASE.