As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB WHEN MOVING GEAR HANDLE FROM UP TO OFF, GEAR STARTED TO EXTEND. RECYCLED HANDLE TO UP. ON APPROACH MOVED HANDLE FROM UP TO OFF AND GEAR REMAINED UP. INSPECTED LANDING GEAR SELECTOR VALVE. LANDING GEAR EXTENSION AND RETRACTION SYSTEM CHECKS NORMAL PER MM.