As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON DISASSEMBLY OF CONTROLS, ARM AP NR 7202-5 WAS FOUND CRACKED AT SPLINE SHAFT MOUNT END. CRACK ORIGINATED IN CLAMP UP BOLT PLANE AND FOLLOWS GRAIN OF PART LENGTH. THIS CONDITION FOUND ON 2 OF ARMS FROM THIS A/C AND THE ARMS WERE REPLACED.