As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MUTUAL CONTACT HAS CAUSED SEVERE CHAFING BETWEEN PIVOT ARMS OF ROD ASSY AND FLAT PIVOT AREA OF LEVER. THIS OCCURRED DURING NORMAL OPERATION. TOO SOFT STEEL USED IN MANUFACTURE. SUBMITTER STATED TO PREVENT RECURRENCE, HARDEN STEEL AND ALLOW PIVOT ARM ROD TO ROTATE.