oca-technical/odoo-bringout-oca-ddmrp-ddmrp/ddmrp/report/mrp_report_bom_structure.xml

<odoo>
    <template id="report_mrp_bom_inherit_ddmrp" inherit_id="mrp.report_mrp_bom">
        <xpath expr="//th[@name='th_mrp_bom_h']" position="before">
            <th t-if="data['show_buffered']">Buffered</th>
        </xpath>

        <xpath expr="//td[@name='td_mrp_bom']" position="before">
            <td t-if="data['show_buffered']">
                <span t-if="data['is_buffered']">
                    <img
                        src='/ddmrp/static/img/is_buffered.png'
                        style="width:30px;height:30px;padding:5px"
                    />
                </span>
            </td>
        </xpath>

        <xpath expr="//td[@name='td_mrp_bom_f']" position="before">
            <td t-if="data['show_buffered']" />
        </xpath>

        <xpath expr="//td[@name='td_mrp_bom_byproducts_f']" position="before">
            <td t-if="data['show_buffered']" />
        </xpath>

    </template>

    <template
        id="report_mrp_bom_pdf_line_inherit_ddmrp"
        inherit_id="mrp.report_mrp_bom_pdf_line"
    >
        <xpath expr="//td[@name='td_mrp_code']" position="before">
            <td t-if="data['show_buffered']">
                <span t-if="l.get('is_buffered')">
                    <img
                        src='/ddmrp/static/img/is_buffered.png'
                        style="width:30px;height:30px;padding:5px"
                    />
                </span>
            </td>
        </xpath>
    </template>
</odoo>