What was found
DURING AIRCRAFT GROUND OPERATIONS, IT WAS NOTED THAT THE LEFT WHEEL BRAKE CALIPER WAS DISCOVERED BROKEN. MAINTENANCE INSPECTED THE DEFECT AND NOTED THAT THE LEFT MAIN LANDING GEAR BRAKE CALIPER ANCHOR BOLT BROKEN. REPLACED THE BRAKE ASSEMBLY, TORQUE PLATE, AND WHEEL ASSEMBLY. THE BRAKE ASSEMBLY HAD ACCUMULATED 422.5 HRS. SINCE DETAILED BENCH INSPECTION.