As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, GEAR RETRACTION, NOSE LANDING GEAR DID NOT RETRACT. FOLLOWED CHECKLIST. EMERGENCY DECLARED AND DIVERTED TO KJAX. MAINTENANCE REPLACED THE NLG ACTUATOR. GROUND OPERATIONAL CHECK PERFORMED WITH NO DEFECTS. A SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.