8D methodology originated at Ford Motor Company in 1987. Initially developed for Powertrain Organization's recurring problem-solving needs. Later evolved into Global 8D (G8D) standard for automotive supply chain
RCA identifies and implements solutions by focusing on underlying problem causes. Unlike quick fixes, RCA digs deeper to find root causes. Problems can have multiple root causes, even if not immediately obvious
5 Whys is a problem-solving technique invented by Sakichi Toyoda in Japan in 1930s. It uses 5 why-questions to identify root causes of any issue. Toyota still uses this technique for problem-solving training
RCA helps uncover problems' causes to suggest specific solutions. 85% of executives believe organizations are bad at diagnosing problems. Leaders must act as beacons scanning organizational landscape
Visual tool for identifying and organizing problem causes. Resembles fish skeleton with problem at head and causes branching off spine. Developed by Dr. Kaoru Ishikawa in 1960s
80% of benefits come from 20% of work or 80% of problems from 20% of causes. Vilfredo Pareto discovered this principle in 1906 about land ownership. Joseph Juran extended it to business in 1937