Incident investigation: why di same failure dey come back again and again

Post-mortem na usually one analyst wey dey reason for di group, and e dey usually name di failure wey show pass: di outage, di part wey dem return, di picking error. Dat ones na results. Di causes dey further back, spread among di pipo wey see different parts of am.

True Causes dey turn di review into di group own analysis. Evribodi dey propose causes without name, so nobodi go dey fear manager wen e dey write. Den di group go answer one question at a time, dis cause get big hand for dat one, and dem go keep link only wen three quarters gree. Dem no dey ever quietly drop divide: e go go anoda group, and if dat one divide too, dem go publish am as argument.

Plenti teams or sites fit run di same question separately and merge dia maps, and e go show di causes wey dem find on dia own. Private room fit also take in wetin di public rooms for im question find, and notin from im own go comot.