rework

Short definition from Wiktionary

Noun

1. 1
   The act of redoing, correcting, or rebuilding.
2. 2
   Taking unsaleable food and using it in the manufacture of other food.
3. 3
   Something redone, corrected or rebuilt.
4. 4
   Work done to correct defects associated with a deliverable product, plus any root cause analysis effort to identify the task(s) to be re-performed.
5. 5
   An instance of reworking.

Verb

1. 1
   To redo, correct, or rebuild.