Correction

" A series of tests conducted under environmental stresses to disclose weak parts and workmanship defects for correction."

The improvement in a reliability parameter caused by the successful correction of deficiencies in item design or manufacture. It entails the systematic planning for reliability achievement as a function of time and other resources and controlling the ongoing rate of achievement by reallocation of resources based on comparisons between planned and assessed reliability values.

The person who is in a position to observe a failure, recognize it as such, and report it for correction.