As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A WEAR PAD P/N 5010880-1 OF THE NUMBER ONE STATIONARY DISK SEPARATED FROM THE BRAKE. THE ANTI-ROTATION TAB OF THE PAD MAY HAVE FAILED. INSPECTION OF THE REST OF THE BRAKE FOUND NO OTHER DEFECTS. REMAINING PIECES OF THE WEAR PAD WERE SENT TO AIRCRAFT BRAKING SYSTEMS OF FURTHER EVALUATION.