As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING AT KDFW, PRIOR TO LEAVING THE RUNWAY, THE LEFT BRAKE BECAME UNRESPONSIVE. AIRCRAFT CONTINUED TO SAFELY TAXI TO UPS RAMP. DFW TROUBLESHOT AND INSPECTED AND FOUND DEFECTIVE PACKING PN MS2878-4 AT SWIVEL T-FITTING AT THE LH BREAK ASSEMBLIES. BLED BRAKE SYSTEM AND OPS CHECKED GOOD.