As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR UNLOCK LIGHT REMAINED ILLUMIATED AND HYDRALIC PRESSURE LIGHT REMAINED ON, RAN CHECKLIST AND LIGHTS EXTINGUISH WHEN HYDRAULIC CONTROL CIRCIUT BRAKER RESET IAW CHECKLIST. REMOVED AND REPLACED NOSE GEAR UPLOCK SWITCH WITH NEW. NOSE GEAR UPLOCK HOOK WAS STICKY. REMOVED LOCK. CLEANED AND LUBRICATED. REINSTALLED HOOK. OPERATIONAL CHECK OF SYSTEM NORMAL. WORK IAW CESSNA 560XL/XLS MM CHPT 32-30-05.