What was found
On rotation #1 strut overheat light illuminated at 1000ft. AGL. reduced power #1 engine light went out. Air return overweight landing made wt.177,000sink rate at touchdown 300' per min very little braking used.ACTION TAKEN:Inspected and found air leak at 13th stage mod valve removed and replaced valve perormed ground run overheat condition still exists. Replaced #1 eng strut sensor performed ground run ops ck good. Performed overweight landing inspection no defects noted.