As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE SCHEDULED BRAKE INSPECTION IT WAS NOTED THAT NR 3 BRAKE, OUTBOARD DRIVE ROTOR KEYS WERE FRACTURED. AFTER REMOVING THE WHEEL IT WAS NOTED THAT ALL EIGHT FORWARD SIDE DRIVE CLIPS WERE FAILED. MFG IS INVESTIGATING. A SERVICEABLE BRAKE WAS INSTALLED AND THE AIRCRAFT RETURNED TO SERVICE.