As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR UNLOCKED LIGHT REMAINS ON AFTER GEAR RETRACTION. CYCLED BREAKER NO CHANGE. RETURN TO FIELD. JACKED AIRCRAFT & SWUNG GEAR SEVERAL TIMES & COULD NOT DUPLICATE SQK. REPLACED NOSE GEAR UPLOCK SWITCH WITH NEW UNIT IAW CE560XL M/M CHAP 32-61-00. GEAR SWING & OPS CHECK GOOD AT THIS TIME.