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Sample export · Guardian evidence packet

See the event package QA would review after a freezer excursion.

This static example shows the output format iLabService is designed to assemble: physical signal history, door events, alert routing, response records, corrective action, and QA review state in one inspection-ready packet.

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Guardian event evidence packet

Weekend freezer excursion with compressor early warning

Generated from Guardian monitoring, AIoT hardware signals, and linked response workflow.

QA Review: Pending Event ID: GRD-FRZ-2026-0614-0214
Asset -80°C Freezer FRZ-03

Biological Storage Room B2

Event window Sat 14 Jun 2026, 02:14-06:42

4h 28m above configured alert threshold

Temperature Peak: -62.4°C

Setpoint: -80°C · Alert threshold: -70°C

Records included Signal · compressor · access · alerts · actions

Export generated 14 Jun 2026, 10:18 HKT

Deviation risk Potential sample exposure review required

Guardian linked the compressor-status warning, temperature excursion, door status, response ownership, and affected storage map context.

SOP link SOP-COLD-014 · Cold Storage Alarm Response

Escalation and corrective action fields follow the configured response procedure.

Signal timeline

Compressor warning, temperature curve, and alert threshold

Freezer compressor early warning and temperature curve showing threshold breach and recovery -60 -65 -70 -75 -80 01:30 02:30 03:30 04:30 05:30 06:30 Alert threshold -70°C 02:14 breach 01:52 compressor warning 06:12 recovery action Door open Door checked
Event timeline

Chronology assembled by Guardian

  1. Compressor warning Compressor-status pattern indicates abnormal recovery while internal temperature is still within range.

  2. Threshold breach Freezer temperature rises above -70°C alert threshold.

  3. Primary alert Lab Manager and cold-storage owner notified by Guardian.

  4. Escalation Backup owner and facilities group notified after no acknowledgement.

  5. Response acknowledged Facilities technician confirms on-site inspection.

  6. Corrective action started Door seal checked; temporary transfer plan opened.

  7. Temperature recovering Event remains open for QA review and sample-impact assessment.

Door and access records

Physical context attached to the event

TimeSignalUser / sourceRecord
01:58DoorDoor sensorClosed
02:06DoorDoor sensorOpen 47 sec
02:07AccessBadge B2-117Authorized retrieval
05:59DoorFacilitiesInspection open 3m 12s
06:13ActionFacilitiesDoor seal reset
Alert routing log

Notifications, acknowledgement, and escalation

TimestampRecipientChannelStatusNotes
02:15:08Primary cold-storage ownerMobile + emailDeliveredNo acknowledgement within 5 minutes
02:21:02Backup ownerMobileDeliveredEscalated by configured rule
02:21:05Facilities duty groupDingTalk + emailDeliveredOn-call group notified
05:58:44Facilities technicianGuardian appAcknowledgedInspection started
06:21:19QA reviewerEmailPending reviewEvidence packet generated
Corrective action

Response record linked to the event

Action ownerFacilities technician · ID FAC-029
Immediate actionDoor seal reset and gasket inspection completed
Sample impactStorage map flagged for owner review
Follow-upCalibration check due 15 Jun 2026, 10:00
QA review

Disposition pending

  • Signal timeline reviewed against configured threshold.
  • Alert routing and acknowledgement record attached.
  • Corrective action and follow-up task visible.
  • Sample-impact assessment awaiting owner sign-off.
ReviewerQA reviewer pending
Review statusPending