Manufacturing defect 6M fishbone

Scenario

An electronics manufacturer opens a CAPA after solder rejects spike above the control limit. The 6M fishbone forces the team to inspect people, machines, material, method, measurement, and environment before committing to corrective action.

Annotation key

• config density = spacious gives the dense six-category diagram breathing room.
• Indented - lines are sub-causes under the preceding cause.
• The 6M category names match the manufacturing convention quality teams expect.