01
Original scope
Read the exact repaired, replaced, adjusted, or excluded items before the callback.
Sheet 22 / Diagnostic set
Compare the new symptom with the completed scope
Connect a new flow change to the completed work while keeping other causes open.
A flow change after service belongs on the same timeline as the work, but timing alone does not prove the work caused it. Preserve the original invoice and the first changed condition.
Call about the symptom877-702-1610
INPUTOBSERVETRACEVERIFYOUTPUTRECORD
S-01Symptom named
S-02Access mapped
S-03Provider unverified
S-04Scope pending
Identify the symptom
Five callouts for this drawing
Each note describes an action, not a diagnosis. Leave unsupported branches open.
02
Restore time
Record when water or fixture use resumed after the first visit.
03
First change
Name the earliest outlet and symptom seen after restoration.
04
Unchanged fixtures
List normal comparisons that help set the new boundary.
05
Warranty route
Use the written warranty or callback terms instead of assuming responsibility.
Trace the source
Follow evidence through the branch
List which fixtures changed, hot-cold differences, control positions, debris, sounds, and when the provider restored use. Ask the original provider to explain what was tested and whether a separate condition is suspected.
Repair route and access map
Define the boundary before authorization
Close with the return visit finding, corrective work if any, measurements, responsibility decision, updated invoice or warranty record, and branches not examined.