As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NEWLY MANUFACTURED, BRAKES WERE REMOVED, AFTER MAINTENANCE INSPECTION REVEALED BRAKE WAS COMING APART BETWEEN HEAT STACK AND PISTON HOUSING ASSEMBLY INTERFACE.REVIEW AT REPAIR FACILITY FOUND: 7 OF 8 TIE BOLTS WERE MISSING OF BRAKE SERIAL B4874. POSITION NR 1. 8 OF 8 SAFETY CABLES WERE BROKEN AND ALL 8 TIE BOLTS WERE LOOSE ON SERIAL B4837 POSITION NR 2. BRAKES WILL BE REVIEWED BY MANUFACTURE FOR ROOT CAUSE DETERMINATION.