A why can have more than one branch
An illustrative investigation, not a confirmed causal account
Observed problem
A report arrived late
Why? Data arrived late
Check source timestamps.
Why? Review started late
Check the handoff history.
Possible system cause
No owner for the feed. Verify before changing it.
Possible system cause
No review slot reserved. Verify before changing it.
Ask again where the evidence still leaves a gap.
Conceptual illustration • not measured data