What was found
AFTER GEAR RETRACTION, RED GEAR UNSAFE LIGHT HANDLE STAYS ILLUMINATED, CYCLED GEAR THREE TIMES, SAME RESULT. ADJUSTED LEFT AND RIGHT MAIN LANDING GEAR DOOR UPLOCK SWITCHES IAW BEECHJET 400XP M/M CHAP 32-60-00, PERFORMED LANDING GEAR RETRACTIONS, OPERATIONAL CHECKED SATISFACTORY. SERVICED HYDRAULIC RESERVOIR.