As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, THE LANDING GEAR HANDLE WOULD NOT MOVE TO THE UP POSITION WHEN SELECTED. HAD TO SELECT DOWNLOCK RELEASE TO SELECT GEAR HANDLE TO THE UP POSITION. REPLACED LT LANDING GEAR PROXIMITY SWITCH PER EMB 120 32-41-01. OPS CHECK GOOD.