As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3397 - YYZ-BWI - ON APPROACH INTO BWI, THE NOSE GEAR RED UNSAFE LIGHT REMAINED ON WITH GEAR HANDLE LIGHT ON. THE AIRCRAFT LANDED WITHOUT INCIDENT. FOUND NOSE LANDING GEAR DOWNLOCK PROX SENSOR WIRES CUT. REMOVED AND REPLACED SENSOR. (M)