any device deficiency that might have led to a serious adverse event if appropriate action had not been taken, intervention had not occurred, or circumstances had been less fortunate;
aon easpa ar fheiste a bhféadfadh tarlú díobhálach tromchúiseach a bheith mar thoradh uirthi murach go ndearnadh gníomhaíocht iomchuí, murach go ndearnadh idirghabháil nó murach gur maith mar a tharla;