As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN ANNUAL INSPECTION, THE MECHANIC NOTED THE NOSE GEAR DOWNLOCK TENSION WAS ABNORMALLY HIGH. INVESTIGATION REVEALED THE TWO JAM NUTS WERE LOOSE ALLOWING THE ROD TO TURN SO AS TO LENGTHEN. SUBMITTER STATED CAREFUL ATTENTION SHOULD BE PAID TO PROPERLY TIGHTENING JAM NUTS AFTER RIGGING VERIFYING NUT TIGHTNESS DURING INSPECTION. P/N AN316-6R AND P/N AN316-7L.