What was found
LEFT MAIN LANDING GEAR FAILED TO RETRACT AFTER T/O. RED -UNLOCK- LIGHT REMAINED ILLUMINATED AS WELL AS THE LEFT MAIN -DOWN & LOCKED- LIGHT. AFTER RECYCLING THE GEAR, IT RETRACTED NORMALLY. THE -HYDRAULIC PRESS- LIGHT EXTINGUISHED AT THE NORMAL SEQUENCE. HEARD THE LEFT MAIN GEAR DRAGGING AND FELT THE YAW. EXTENDED/FUNCTIONED NORMALLY UPON LANDING, W/O ABNORMAL INDICATIONS. TROUBLESHOT MAIN LANDING GEAR SYSTEM AND FOUND A BROKEN WIRE ON LT UPLOCK SWITCH. REPAIRED WIRE AND PERFORMED OPS CHECK WITH NO DEFECTS NOTED. ALL WORK DONE IAW CE 560 ULTRA MM 32-60-00.