As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR UNSAFE LIGHT ILLUMINATED IN FLIGHT, PUMP CONTINUED TO RUN WTIH GEAR HANDLE UP. CLEANED EXCESSIVE ICE BUILD UP AND SLUSH ON MAIN AND NOSE GEAR INCLUDING DOORS. CLEANED ALL 3 UPLOCK SWITCHES. PERFORMED GEAR SWING NO FAULT NOTED.