As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING APPROACH THE PILOT COULD NOT GET AN INDICATION OF THE NOSE GEAR DOWN AND LOCKED. EMERGENCY EXTENSION PERFORMED AND THE AIRCRAFT LANDED SAFELY. MAINTENANCE FOUND A BROKEN WIRE WHERE THE WIRES ENTER A SEALED SWITCH. THE SWITCH WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.