Availability Guide for Change Management
Change Control
Availability Guide for Change Management–125506
2-11
Process Flow Diagram
Figure 2-2. Change-Control Process Flow
Change Plan:
 - Sequence of events
 - Schedule
 - Contingency or recovery plan
 - Test and verification plans
"Go/No Go" 
decision points
Contingency or
recovery plan
Stable system - change
implemented
Stable system -
change not implemented
Perform postmortem,
continuous improvement
Implement step
"No Go"
Last step
Next step
Start sequence
of events
Test and
verification
"OK"
Not "OK"










