As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF, WHEN GEAR SELECTED UP, THE NOSE LANDING GEAR UNSAFE INDICATION REMAINED ON FOR 1 OR 2 MINUTES. NOSE GEAR THEN CYCLED TWICE OFF THE UPLOCKS BEFORE INDICATING UP AND LOCKED. AIRCRAFT RETURNED TO LAND AND DID A FLY-BY BY THE TOWER. LANDED OK. INSPECTION FOUND THE NOSE LANDING GEAR SELECTOR VALVE UNSERVICEABLE. PART TC: 34,957.