As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) UPON REMOVING THE BRAKE UNIT ON #3, BOTH STUD SHEAR BOLTS WHERE FOUND TO BE BROKEN AND WERE FOUND INSIDE THE OLD BRAKE UNIT.. THE BRAKE UNIT, ITSELF WAS WORN TO LIMITS AND A FEW BRAKE PADS HAD SHIFTED. NEW SHEAR BOLTS INSTALLED. (TC# 20190715016)