As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON DEPARTURE THE NOSE GEAR DID NOT RETRACT. FLIGHT CREW ACCOMPLISHES CHECKLIST TO VERIFY THE OPERATION OF THE SYSTEM AND FAULT CONTINUES. FLIGHT CREW RETURNED TO THE AIRPORT, EMERGENCY WAS NOT DECLARED. MAINTENANCE PERSONNEL FOUND THE NLG CONTROL PANEL FAULTED. NLG CONTROL PANEL REPLACED, GROUND FUNCTIONAL CHECK ACCOMPLISHED, NO FAULT FOUND. AIRCRAFT RETURNED TO SERVICE.