As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BRAKE CYLINDER HOUSING WORN AT THE ANCHOR BOLT PASS THROUGH HOLE ALLOWING THE ANCHOR BOLT TO BE PRESSED OUT BY HAND. THIS IS A CLOSE TOLERANCE FIT. THIS CONDITION IN THE PAST HAS CAUSED THE ANCHOR BOLT TO SHEER OFF CAUSING CATASTROPHIC DAMAGE TO THE CALIPER ASSEMBLY. TORQUE PLATE AND/OR TIRE ON THREE OF OUR AC. (K)