What was found
DFW - FLRN NR 1310 - AFTER TAKEOFF DFW WHEN LANDING GEAR RETRACTED, THE DOORS LIGHT ABOVE THE LANDING GEAR HANDLE REMAINED ILLUMINATED WITH CORRESPONDING NOSE LANDING GEAR DOOR LIGHT ILLUMINATED ON F/E PANEL. EXTENDED LANDING GEAR AND AIRCRAFT RETURNED TO DFW, LANDING WITHOUT INCIDENT. REPACKED NOSE LANDING GEAR STRUT AND REPLACED UPPER GLAND NUT. SERVICED NOSE LANDING GEAR STRUT WITH OIL AND NITROGEN. ACCOMPLISHED NOSE LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)