As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - FLIGHT 2556 - THE CREW REPORTED SUBSTANTIAL LEFT BRAKE FADE DURING LANDING. THE LT OUTBOARD BTMS INDICATES 04 AND THE LT INBOARD BTMS INDICATES 00. MAINTENANCE INSPECTED THE SYSTEM AND REPLACED THE NR 2 VOLUMETRIC FUSE. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.