As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR WOULD NOT RETRACT. CHECKED CIRCUIT BREAKERS, TRIED OVER RIDE, STILL WOULD NOT RETRACT. EMERGENCY VALVE WAS PINNED AFT. FOUND OVER RIDE BUTTON FOR GEAR HANDLE BINDING ON FROM LIGHTING PANEL CAUSING HANDLE NOT TO MOVE. REPOSITIONED FRONT PANEL, SWUNG GEAR TEN TIMES AND OPS CHECK GOOD.