As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE LANDING GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR RETRACTION. FLIGHT WAS RETURNED TO YEG AND LANDED WITHOUT INCIDENT. EMERGENCY EQUIPMENT WAS CALLED OUT ON STANDBY AS A PRECAUTION. MAINTENANCE CYCLED GEAR SEVERAL TIMES. PROBLEM WOULD NOT BE DUPLICATED ON GROUND.