As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT NUMBER 10860-5 SAW-YUL; AFTER TAKEOFF, WHEN LANDING GEAR WAS SELECTED UP, ALL GEAR RETRACTED UP AND LOCKED. THE RED NOSE GEAR IN-TRANSIENT LIGHT REMAINED ILLUMINATED. CREW ELECTED TO RETURN TO AIRPORT AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NOSE GEAR RETRACT ACTUATOR WAS OUT OF ADJUSTMENT. ACTUATOR WAS ADJUSTED, LANDING GEAR RETRACTION TEST PERFORMED WITH SYSTEM CHECKING GOOD. AIRCRAFT WAS RETURNED TO SERVICE.