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Zipline Zipline Service Documentation

    MAINTENANCE_REQUIRED - /thruster_main.droid_battery_status

    published Last Updated: Oct 9, 2026 HW: all
    Applicable alarms (1)
    MAINTENANCE_REQUIRED
    Likely outcomes (764 missions, 52 issues) — click to expand

    Based on 764 missions where this alarm fired in the last 90 days as of 2026-10-13

    Grounding vs discrepancy (of 52 ZERP issues filed on these missions)

    Grounding 51.9% (27 of 52 issues) Discrepancy 48.1% (25 of 52 issues)

    Frequently co-occurring alarms (% of the 764 missions above)

    UNSAFE_TO_DEPLOY 63.7% of missions PORT_DROID_LINK_FAULT 33.6% of missions CAPACITANCE_TOO_LOW 12.8% of missions WINCH_MOTOR_DISABLED 10.6% of missions SOFTWARE_CONFIGURATION_MISMATCH 9.6% of missions

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

    Background

    Section titled “Background”

    This alarm occurs if maintenance is required for the droid battery.

    Troubleshooting Steps

    Section titled “Troubleshooting Steps”
    1 escalation
    Escalate to P2 Firmware Power 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 droid owner identities batch 2
      Commit 3609ed4
    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. 2026-06-12 Susan Minne Bulk/mechanical change
      Update troubleshooting topics and escalation paths
      Commit 166da10
    6. 2026-05-28 Susan Minne Bulk/mechanical change
      Remove redundant topic applicability banners
      Commit e561ad0
    7. 2026-05-11 Susan Minne Bulk/mechanical change
      Update troubleshooting topics and links
      Commit 0aa9df2
    8. 2026-05-09 Susan Minne Bulk/mechanical change
      Fix high-confidence internal documentation links
      Commit a6593fc
    9. 2026-05-06 Gavin Edwards Bulk/mechanical change
      Remove redundant Engineer Owner table from topic body (#298)
      Commit 1619f07 PR #298
    10. 2026-05-05 Gavin Edwards Bulk/mechanical change
      Track 11: 25 content topics recovered + 4 children-macro aborts dropped
      Commit cb6bdaf
    11. 2026-05-04 Gavin Edwards Bulk/mechanical change
      Batch 7: 47 new topics from full 4-gate pipeline
      Commit e5e26ab
    12. 2026-04-23 Gavin Edwards Bulk/mechanical change
      Replace all topics with 210 v3-generated baseline content
      Commit 9b61a6e
    Baseline import
    Initial import into service_docs
    Imported by Gavin Edwards on 2026-04-15
    Categorize 373 regenerated topics into subdirectories; drop 15 meta pages
    Commit 9bdc40f
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