SCADA edge cluster losing telemetry batches — draft RCA

Incident inc-4809 · owner Sofia Braun · Helios Energy Grid. Each verified class includes attached logs, probe output, and artefact links.

Back to workspace Evidence

Analysis package

Verification agent confidence, supporting evidence with attached logs/output, and rejected hypotheses.

Read-only Agent OS

No shell execution
No cluster-admin
No secret reads
No database writes
No firewall changes
No autonomous remediation

Root cause

Verification agent confidence score

54%

Investigation in progress for scada-edge-collector. Working hypothesis pending verification against host edge-scada-07.helios.local (10.90.4.107).

Supporting evidence

2 verified classes · expand for logs & output

host edge-scada-07.helios.localip 10.90.4.107captured Aug 1, 2026, 9:55:00 PM

Check · incident workspace · resource identity + timeline

Logs · attached excerpt

[2026-08-01T21:55:00Z] investigate: open inc-4809
[2026-08-01T21:55:00Z] scope: tenant=tn-helios customer=cu-scada env=production
[2026-08-01T21:55:00Z] resource: host=edge-scada-07.helios.local ip=10.90.4.107 cluster=scada-edge-west

Output · verified details

{
  "incidentId": "inc-4809",
  "application": "scada-edge-collector",
  "hostname": "edge-scada-07.helios.local",
  "ipAddress": "10.90.4.107",
  "cluster": "scada-edge-west",
  "status": "investigating",
  "severity": "P2"
}

host edge-scada-07.helios.localip 10.90.4.107captured Aug 1, 2026, 9:55:00 PM
Check · agent passport · audit trail
Logs · attached excerpt
```
[2026-08-01T21:55:00Z] agent=ag-network-01 mode=read-only
[2026-08-01T21:55:00Z] productionWriteRequired=false
```
Output · verified details
```
{ "assignedAgent": "ag-network-01", "autonomy": "read-only", "write": false }
```

Rejected hypotheses

1 ruled out · with counter-evidence

Recommendation

Requires human execution — the Agent OS never remediates

Continue evidence collection; do not remediate from the console. Expand time window and correlate change calendar.