What was found
ALL LANDING GEAR RETRACTION - GEAR WOULD NOT COME UP, GEAR UNSAFE WITH HYD PRESS LIGHT ILLUMINATED, RAN THE APPROPRIATE CHECKLIST CAME BACK AND LANDED WITHOUT EVENT. NOTE, IT WAS NOT AN OVERWEIGHT LANDING.//JACKED AIRCRAFT AND FOUND NOSE STRUT NOT FULLY EXTENDING. REPACKED OLEO IN ACCORDANCE WITH CE560XL CMM 32-20-01 PERFORMED SATISFACTORY GEAR FUNCTIONAL CHECK