What was found
NOSE LANDING GEAR DID NOT RETRACT AFTER TAKEOFF. NOSE LANDING GEAR POSITION INDICATOR REMAINED GREEN WHEN GEAR HANDLE WAS BROUGHT UP. JACKED AIRCRAFT AND INSPECTED STRUT FOR PROPER NITROGEN SERVICE, CHECKS GOOD. INSPECTED WOW (NOSE) SWITCH CLEARANCES, CHECKS GOOD. CYCLED GEAR NUMEROUS TIMES WITHOUT FAILURE. VISUALLY INSPECTED NOSE GEAR AREA, NO DEFECTS NOTED. DOWN JACKED AIRCRAFT. ALL WORK IAW MM 32-30-00, 7-10-00