As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - FLT 433 - CREW REPORTED, THE NOSE LANDING GEAR UNSAFE LIGHT REMAINED ILLUMINATED AFTER GER EXTENDED FOR LANDING. ACCOMPLISHED GEAR UNSAFE LIGHT CHECK LIST AND LANDED WITHOUT INCIDENT. REPLACED NOSE LANDING GEAR DOWNLOCK SWITCH S1-412 AND ACCOMPLISHED RETRACTION/EXTENSION TEST AND OPERATED NORMALLY. (M)