What changed?
Define the observation precisely. Is it a new alarm, trend, inspection finding, performance shift, field observation, test result, or recurring condition?
Knowledge Library · Asset Performance
CONDITION & CONTEXT
Better asset decisions begin with understanding the evidence.
Condition information becomes useful when the organization understands what changed, can trust the evidence, considers the operating context, examines supporting or contradictory information, and determines what the combined evidence means for the asset and the decision ahead.
SOUBEL PERSPECTIVE
Value comes from understanding what the signal means.
An alarm, trend, inspection finding, test result, field observation, or model output may be important. It may also be incomplete, misleading, poorly timed, or disconnected from the conditions under which the asset was operating. A defensible decision brings detection together with evidence that can withstand context, contradiction, consequence, and follow-through.
Signal→Trust→Context→Corroboration→Decision→Verification
Operational Trust: The goal is to help leaders determine whether the organization has assembled and challenged enough credible evidence to support a defensible decision.
10 QUESTIONS FOR A DEFENSIBLE DECISION
What should a leader ask when asset condition changes?
The questions below draw on established asset-management, integrity, reliability, condition-monitoring, and risk principles. They are deliberately broader than a maintenance decision tree because the right response may be to monitor, investigate, change operations, escalate, mitigate, repair, defer, replace, redesign, or invoke a specialist methodology.
Can we trust the evidence?
Check source, quality, completeness, calibration, timing, lineage, assumptions, and whether the apparent change could be noise, instrumentation error, or a data-quality problem.
What was happening when it changed?
Establish operating mode, load, pressure, temperature, throughput, environment, recent maintenance, process changes, and other conditions that may change the meaning of the signal.
What other evidence agrees - or disagrees?
Integrate inspection, integrity, maintenance, process, field, laboratory or metallurgical, historical, and comparable-asset information where it is relevant.
What does it mean for intended function?
Connect the condition to asset duty, criticality, degradation or failure context, reliability, availability, operating limits, and the function the asset must continue to perform.
What happens if our interpretation is wrong?
Challenge the potential safety, environmental, regulatory, production, reliability, financial, and other material consequences of both action and inaction.
What legitimate options exist?
Consider continued operation, monitoring, additional evidence, inspection, changed operating conditions, escalation, mitigation, repair, deferral, replacement, redesign, or specialist analysis.
Why is one option preferable now?
Compare risk, cost, performance, timing, uncertainty, downtime, resource constraints, remaining life, reversibility, and the consequence of waiting.
What would cause us to change the decision?
State the assumptions, contradictory evidence, information gaps, thresholds, triggers, and escalation conditions that would justify a different course.
How will we know the decision worked?
Define ownership, follow-up evidence, effectiveness measures, verification, record updates, and what the organization should learn for the next decision.
When Asset Condition Changes: 10 Questions for a Defensible Decision
A concise meeting-ready guide and decision record for operations, integrity, reliability, maintenance, asset-management, and leadership teams.
Use it to: challenge the evidence, capture context, compare options, document the decision basis, and define how the outcome will be verified.
BASIS & USE
Established principles. Independent SOUBEL synthesis.
This guide is informed by recognized asset-management, integrity-management, reliability, condition-monitoring, and risk practice. It is designed as a leadership decision aid, not as a replacement for applicable regulations, engineering standards, company procedures, qualified technical judgment, RCM, RBI, FMEA/FMECA, integrity assessment, or other specialist methodologies.
Why this matters: PHMSA pipeline-integrity requirements explicitly emphasize data integration, risk analysis, preventive and mitigative measures, qualified review, effectiveness measurement, and records supporting analyses and decisions. ISO's asset-management work likewise treats decision-making and the usefulness of asset data as formal management concerns. The SOUBEL guide organizes these established ideas into a concise set of leadership questions centered on Operational Trust.
Selected references
- ISO 55013:2024, Asset management - Guidance on the management of data assets.
- ISO/CD TS 55014, Guidance for asset management decision making (under development).
- 49 CFR 192.917, threat identification, data gathering and integration for gas transmission integrity management.
- 49 CFR 195.452 and PHMSA Hazardous Liquid Integrity Management guidance.
- SAE JA1011:2024, Evaluation Criteria for Reliability-Centered Maintenance (RCM) Processes.
- Global Forum on Maintenance & Asset Management, The Maintenance Framework, 2nd ed.
- Jardine, Lin & Banjevic, review of diagnostics/prognostics for condition-based maintenance, Mechanical Systems and Signal Processing 20(7).
THE DECISION TEST
Can the evidence support the decision - and can the decision survive review?
Operational Trust requires a clear line from what changed, to what was known, to why the organization acted, to whether the action produced the intended result.