External leads to finding the root cause of the problem can include: Customer complaints/suggestions; customer rejections; non-conformities raised in customer/third-party audits; recommendations by auditors.
Probleemide algpõhjuseks võivad olla kliendi kaebused / ettepanekud; kliendi tagasilükkamine; kliendi / kolmanda osapoole audititest tulenevad mittevastavused; audiitori soovitused.