As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE NOSE LANDING GEAR INDICATION WAS A YELLOW "X" INDICATING AN "UNDETERMINED NLG POSITION" TROUBLESHOOTING CONFIRMED THAT THE NOSE LANDING GEAR (NLG) "UP" PROXIMITY SWITCHES WAS NOT WORKING IN A CORRECT MANNER. THE SWITCH HAD FAILED & WAS GIVING AN INTERMITTENT CLOSED SIGNAL. PART RETURNED TO MANUFACTURER FOR INSPECTION.