DISTRO_MISSION_STATUS_UNAVAILABLE

published Last Updated: Oct 9, 2026 HW: all

DISTRO_MISSION_STATUS_UNAVAILABLE distro mission status unavailable distro-a-mission-status-unavailable distro a mission status unavailable

Applicable alarms (1)

DISTRO_MISSION_STATUS_UNAVAILABLE

Likely outcomes (65 missions, 24 issues) — click to expand

Based on 65 missions where this alarm fired in the last 90 days as of 2026-10-13

Grounding vs discrepancy (of 24 ZERP issues filed on these missions)

Grounding 25% (6 of 24 issues) Discrepancy 75% (18 of 24 issues)

Frequently replaced parts

Part	P/N	Removals
RIGHT DOOR ASSY, DROID, P2	21827	18
LEFT DOOR ASSY, DROID, P2	21830	18
PARALAND ASSY, DROID, P2	18427	14
BATTERY, DROID, P2	24544	12
ASSY PCBA, FRONT MOTOR NODE, DROID, P2	25279	10

Aggregated from fleet operations and refreshed daily. Individual outcomes may vary by site and configuration.

Background

This alarm triggers if the distro mission status stops transmitting a feedback message. Often this is happening due to the distro crashing, running at too slow of a rate, or publishing mission status too infrequently.

Exec watchdog alarm

• DISTRO_MISSION_STATUS_UNAVAILABLE

Troubleshooting Steps

Show Troubleshooting Flow

1 escalation Copy link

Escalate to P2 Firmware Controls on call

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Topic history

1. 2026-10-07 Susan Minne Bulk/mechanical change
   Replace individual guide ownership with system technical contacts
   Commit dca5a1a
2. 2026-09-24 Susan Minne Bulk/mechanical change
   chore: backfill aircraft owner identities batch 2
   Commit 6ca6807
3. 2026-09-23 Susan Minne Bulk/mechanical change
   docs: remove obsolete Confluence metadata
   Commit 2d5374e
4. 2026-09-13 Susan Minne Bulk/mechanical change
   feat: add MX approval metadata to topics
   Commit 406a785
5. 2026-05-28 Susan Minne Bulk/mechanical change
   Remove redundant topic applicability banners
   Commit e561ad0
6. 2026-05-19 Richard Baverstock Bulk/mechanical change
   Migrate watchdog docs to Exec alarm guides
   Commit 96479ac
7. 2026-05-10 Susan Minne Bulk/mechanical change
   Reviewed migrated topics. Edited as needed. Published.
   Commit 6199e3f
8. 2026-05-06 Gavin Edwards Bulk/mechanical change
   Remove redundant Engineer Owner table from topic body (#298)
   Commit 1619f07 PR #298
9. 2026-05-04 Gavin Edwards Bulk/mechanical change
   Add 23 new topics (batch 5) + path-prop fixes on 33 existing topics
   Commit 05b76c0
10. 2026-04-23 Gavin Edwards Bulk/mechanical change
    Replace all topics with 210 v3-generated baseline content
    Commit 9b61a6e
11. 2026-04-15 Gavin Edwards Bulk/mechanical change
    Categorize 373 regenerated topics into subdirectories; drop 15 meta pages
    Commit 9bdc40f
12. 2026-04-15 Gavin Edwards Bulk/mechanical change
    Replace topic corpus: 388 LLM-regenerated topics (round 1)
    Commit f950bfa
13. 2026-04-14 Gavin Edwards Bulk/mechanical change
    Tag all 427 topics draft with DO NOT USE warning admonition
    Commit 1783498
14. 2026-04-08 Gavin Edwards Bulk/mechanical change
    Refactor: single TopicPage component replaces 5 individual imports
    Commit 49b5720
15. 2026-04-07 Gavin Edwards Bulk/mechanical change
    Import 19 more topics, add FlowVisualizer to all topics
    Commit b2fafb6
16. 2026-04-07 Gavin Edwards Bulk/mechanical change
    GitHub source links, homepage revamp, Getting Started guides
    Commit d83c157
17. 2026-04-07 Gavin Edwards
    Fix F and D grade topics: add context steps, safety notes, and proper escalation
    Commit 13be66b

Baseline import

Initial import into service_docs

Imported by Gavin Edwards on 2026-04-07

Organize topics by category, import 10 more, coverage auto-maintenance, AI guardrails

Commit f5a310c

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