As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DISASSEMBLY OF THE LANDING GEAR AT O/H. WHILE ACCOMPLISHING THE UNTORQUE CHECK IAW SP 145-32-0097, THE NUT FELL OFF THE SUBJECT AXLE AS TORQUE WAS APPLIED TO THE UPPER ATTACH AXLE. THE AXLE HAD SHEARED AT THE POINT WHERE THE THREADS ENTERED THE NUT. THE OPERATOR WAS INFORMED OF THE DEFECT BY PHONE AND EMAIL . THE SUBJECT AXLE WAS ALSO DELIVERED TO THE OPERATOR.