As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE LANDING GEAR DID NOT RETRACT AFTER TAKEOFF. CREW RECYCLED GEAR WITH SAME RESULTS. FLIGHT WAS RETURNED TO VPS AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND IMPROPER LOWER NOSE GEAR TORQUE LINK HINGE PIN INSTALLED. REMOVED AND INSTALLED CORRECT HINGE PIN. OPERATIONAL CHECK NORMAL ON SEVERAL GEAR CYCLES.