What was found
FLL - FLT 307 - ON TAKEOFF, UNABLE TO GET NOSE GEAR UP INDICATION. NOSE GEAR DOOR APPEARED TO STAY DOWN OR IN TRANSIT. CYCLED GEAR DOWN, ALL INDICATIONS NORMAL. RAISED GEAR AGAIN AND HAD SAME UNSAFE INDICATION. AIRCRAFT MADE UNEVENTFUL LANDING AT FLL. INSPECTED NOSE GEAR AND FOUND STRUT DEFLATED. NO OTHER DAMAGE FOUND. SERVICED NOSE STRUT AND AIRCRAFT MADE MAINTENANCE FERRY FLIGHT TO MIA. NOSE STRUT OKAY AT MIA. FOUND NOSE UPLOCK SWITCH BAD. REPLACED SWITCH. LANDING GEAR RETRACTION TEST GOOD. CYCLES, 5,911.