A3 problem-solving is a methodology to conduct root cause analysis. Specifically, A3 is the name of an 11 x 17 piece of paper, the international paper size. This document size is typically used to document the process, and where the name of the tool came from.

Tracy O'Rourke

Tracy is a Managing Partner & Executive Advisor at GoLeanSixSigma.com. For almost 20 years, she's helped leading organizations like Washington State, Cisco and GE build problem-solving muscles with Lean Six Sigma to achieve their goals.