<input type="radio" onChange={this.handleChange.bind(this, 'maintain_licence', 'yes')} checked={maintain_licence.value === 'yes'} id="maintain-licence-yes" value="yes" name="maintain_licence" /><span>Yes</span>

handleChange(fieldName, value) {
    if(fieldName === 'maintain_licence') {
        this.props.fields.maintain_licence.onChange(value);
    }
}

handleChange(fieldName, value) {
   this.props.fields.fieldName.onChange(value);
}