What was found
AFTER TAKE OFF, IMMEDIATELY AT GEAR UP, HAD A GEAR DISAGREE INDICATION AND PERFORMED CHECK LIST, DECLARED EMERGENCY, AND LANDED UNEVENTFULLY. SERVICED NOSE LANDING GEAR STRUT IAW JC 12-710-002. PERFROMED GEAR SWINGS IAW AMM 32-30-00. GEAR SWING SUCCESSFUL,. NO DEFECTS NOTED. ACFT OK FOR SERVICE.