As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF AT GEAR RETRACTION NOSE GEAR DOOR LIGHT REMAINED ILLUMINATED. ALT GEAR EXTENSION EXCUTED AND RETURN TO FIELD. LANDING UNEVENTFUL. REPLACED NLG SOLENIOD SEQUENCE VALVE, AND FLUSHED NLG HYDRAULIC LINES, AND REPLACMENT OF GEAR HANDLE. OPS AND LEAK CHECK GOOD. RETURNED TO SERVICE.