As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED BRAKE FAILURE AND WAS TOWED BACK TO HANGAR. MAINTENANCE PERFORMED VISUAL INSPECTION OF BRAKE SYS AND FOUND NO LEAKS OR OBVIOUS MECHANICAL DEFECTS. REPLACED LT BRAKE AT WHEEL WITH SERVICEABLE UNIT AND REPLACED LT MLG BRAKE LININGS AS A PRECAUTIONARY MEASURE. PERFORMED OPS AND TAXI CHECKS WITH NO ABNORMALITIES.