As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THAT DURING LANDING ROLLOUT THAT THE LT BRAKE WAS VERY "TOUCHY" DURING APPLICATION OF BRAKES. THE BRAKE CONTROL UNIT (BCU) WAS REPLACED WITH A MODIFIED BRAKE CONTROL UNIT. OPS CHECKS WERE SATISFACTORY. OFF PN DAP00100-06, SN 229950088.