Observation Sheet · REVISION 1

OBS-B-019 — Fire-interface test failure

Fictional / anonymised ENGGEN 720 demonstration source. SiteAssist reads the stored sections below through controlled read-only tools.

Advisory

Document typeObservation Sheet

Revision1

System version scope4.3 → 4.3

Published11 Oct 2025

Evidence groupBEACON

Source scopeProject History

Original formatPDF

Eligible source. The agent may retrieve this document only when product/version scope and relevance checks also pass.

Stored source sections

3 sections

OBS-B-019.1

Source section

FAI-1 changed to Alarm and the controller logged Fire Input Active. Ten of twelve designated doors released; Doors B-07 and B-09 remained locked.

OBS-B-019.2

Source section

Both failed doors had local Door Control set to Disabled. The commissioning test was marked FAIL and sign-off was blocked.

OBS-B-019.3

Source section

The observation required SME and authorised commissioning review before configuration change and retest.