As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF , THE RED GEAR UNLOCK LIGHT REMAINED ILLUMINATED. JACKED AIRCRAFT, INSPECTED AND CLEANED UPLOCK SWITCHES IN ALL THREE GEARS AND NO VISUAL DEFECTS WERE NOTED. PERFORMED SEVERAL OPERATIONAL CHECK OF LANDING GEAR FOR PROPER OPERATION AND ALSO NO DEFECTS WERE NOTED. COULDN'T DUPLICATE DISCREPENCY. ALL WORK WAS PERFORMED IAW CE-560XL MM CH. 32-01-00