As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) NR 1 BRAKE ASSEMBLY FAILED. INSPECTION FOUND THAT THE PISTONS HAD HOLED THE CARBON DISK PRESSURE PLATE CAUSING IT TO DELAMINATE AND THEN ALLOW THE PISTONS TO CONTACT THE FIRST ROTATING DISK R1 CAUSING SEVERE WEAR TO R1 AND THE PISTONS.