As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON ARRIVING AT DESTINATION GEAR WAS SELECTED DOWN. NOSE GEAR GREEN LIGHT DID NOT ILLUMINATE AND IN TRANSIT LIGHT STAYED ON. INSPECTED AND FOUND NOSE GEAR DOWNLOCK SWITCH ACTUATING ARM BROKEN OFF. DETERMINED CAUSE OF BREAKING WAS TIME IN SERVICE AND WORK HARDING OF METAL ARM, SUGGEST TIME LIMITED INTERVAL FOR REPLACING. (K)