What was found
AFTER TAKEOFF, WHEN GEAR HANDLE WAS RAISED, NOTICED RED IN TRANSIT LIGHT REMAINED ILLUMINATED AND ALL GREEN LANDING GEAR LIGHTS WERE OUT. TOWER REPORTED NOSE AND MAIN GEAR APPEARED TO BE RETRACTED BUT BOTH MAIN GEAR DOORS WERE EXTENDED. COMPLIED WITH CHECKLIST, GEAR CAME DOWN NORMALLY AND LANDING WAS UNEVENTFUL.