As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, THE LANDING GEAR WAS SELECTED UP AND THE NOSE GEAR WAS VERY SLOW TO RETRACT. THE ACFT LANDED SAFELY WITHOUT FURTHER INCIDENT. MX INVESTIGATED AND DISCOVERED THAT THE NOSE GEAR DOOR ACTUATOR PN 82910016-009 WAS THE CAUSE OF THE SLOW RETRACTION DUE TO INTERNAL LEAKAGE. THE ACTUATOR WAS REPLACED AND THE ACFT RETURNED TO SERVICE.