What was found
JFK - FLT 0881 - AFTER TAKEOFF AND GEAR RETRACTED, NOSE GEAR DOOR LIGHT (AMBER) ON FORWARD PANEL REMAINED ILLUMINATED. LIGHT EXTINGUISHED ON UPPER PANEL. NOISE AND VIBRATION FELT AT 250 KNOTS. DIVERTED AND LANDED JFK WITHOUT INCIDENT. REPLACED NOSE GEAR RIGHT DOOR UPLOCK ASSEMBLY. ACCOMPLISHED GEAR SWING. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)