As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SDF TO IAH - DURING DESCENT TO IAH. THE CREW RECEIVED A FLAP FAIL MESSAGE. THE APPROACH WAS ABORTED AND THE CREW RAN THE QRH AND LANDED WITHOUT INCIDENT. MAINTENANCE INTERROGATED THE FECU AND FOUND CODES FOR THE LEFT BRAKE POSITION SENSING UNIT. THE BRAKE POSITION SENSING UNIT WAS REPLACED, AND THE FLAP SYSTEM, OPS CHECKED NORMALLY.