As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, GEAR RETRACTION THE GEAR HORN WARNING SOUNDED. IT LASTED FOR A COUPLE SECONDS, THEN THE GEAR UNSAFE LIGHT WENT OUT AS WELL AS THE HORN STOPPED. ALL GEAR INDICATIONS AFTER LANDING WERE NORMAL. FOUND INOPERATIVE RIGHT THROTTLE 70 PERCENT SWITCH, REMOVED AND REPLACED SWITCH WITH NEW. RIG AND OPERATIONAL CHECK NORMAL, MAINTENANCE PERORMED IAW THE CESSNA 560 M/M CHAPTER 32-61-00.