01Define the change
Name the old and new revisions and the release condition.
All worksheetsIllustrative synthetic data, version 1.0
The drawing changed. Which units are affected?
Trace a released change through dependencies and unit effectivity.
Synthetic dependency chain
- 1
- Lens revision D
- 2
- Fixture jaw
- 3
- Assembly instruction
- 4
- Optical test
- 5
- Affected serials
Get the engineering change impact map
How to use it.
Start here: name the changed part and its effective revision.
02Walk dependencies
Connect tooling, work instructions and tests with evidence.
03Set effectivity
Record each affected serial, lot or date boundary and disposition.