As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR HANDLE WOULD NOT RAISE AND AIRCRAFT FAILED TO SHIFT FROM GROUND MODE TO FLIGHT MODE AFTER TAKEOFF. FLIGHT RETURNED TO YWG AND LANDED WITHOUT INCIDENT. FOUND NOSE STRUT UNDERSERVICED. SERVICED STRUT TO PROPER LEVELS. OPERATIONAL CHECK NORMAL AND AIRCRAFT RETURNED TO SERVICE.