As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LANDING GEAR SELECTED DOWN AND ONLY THE MAIN GEAR INDICATED DOWN AND LOCKED. AFTER SEVERAL CYCLES, AN EMERGENCY LANDING WAS SUCCESSFULLY CARRIED OUT. ACTUATOR CHECKED OK. NLG DOWNLOCK SWITCH REPLACED. OLD NLG SWITCH WAS NOT SEALED, POSSIBLE WATER AND FREEZING CAUSED PROBLEM. PART TC: 3,300.