var myDoc = app.activeDocument
app.findTextPreferences = app.changeTextPreferences = null
app.findTextPreferences.findWhat = "Thermal balance"
var myFound = myDoc.findText()
for(i=0; i<myFound.length; i++)
{
    if(myFound[i].parent.constructor.name == "Cell")
    {
 
   myFound[i].parent.appliedCellStyle = "Subtitle body row cell"
      var overrides = myFound[i].clearOverrides()          //this is the new line added in this content
   
    }
}