MIXED_HARDWARE_FAULT

published Last Updated: Oct 9, 2026 HW: all

MIXED_HARDWARE_FAULT mixed hardware fault mixed-hardware-fault

Applicable alarms (1)

MIXED_HARDWARE_FAULT

Likely outcomes (36 missions, 74 issues) — click to expand

Based on 36 missions where this alarm fired in the last 90 days as of 2026-10-13

Grounding vs discrepancy (of 74 ZERP issues filed on these missions)

Grounding 0% (0 of 74 issues) Discrepancy 100% (74 of 74 issues)

Top work orders

• Perform Software Update on Aircraft · MAINTENANCE_ACTION 30
• EV2: Replace Aft Motor Assembly on Aircraft · MAINTENANCE_ACTION 30
• EV2/EV3 Perform Preflight Without Motors · INSPECTION 22
• EV2: Mixed Hardware Fault Troubleshooting · TROUBLESHOOTING 18
• EV2: Replace Mixed Motor on Aircraft Aft Motor Assembly · MAINTENANCE_ACTION 18

Frequently replaced parts

Part	P/N	Removals
AFT MOTOR ASSY, ZIP, P2	23548	210
MIXED MOTOR ASSY, ZIP, P2	25263	126
BATTERY ASSY, ZIP, P2	27158	28
PCBA, COATED, TAIL NODE, PRE-EV2, ZIP, P2	29407	21
CCW HOVER MOTOR ASSY, ZIP, P2	19607	20

Frequently co-occurring alarms (% of the 36 missions above)

PORT_A_LINK_FAULT 94.4% of missions PORT_B_LINK_FAULT 88.9% of missions MOTOR_FREEWHEELING_TEMPORARILY 80.6% of missions SENSOR_REJECTED 77.8% of missions FORCE_X_ANOMALY_DETECTED 47.2% of missions

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

Background

The mixed load switch faulted due to an overcurrent.

Troubleshooting Steps

Show Troubleshooting Flow

1 reference Copy link

MIXED/WINCH_HARDWARE_FAULT.

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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 3
   Commit 8ff7b9b
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. 2026-05-09 Susan Minne Bulk/mechanical change
   Reviewed migrated docs and edited as needed. Changed to published.
   Commit 2dc36a3
7. 2026-05-06 Gavin Edwards Bulk/mechanical change
   Remove redundant Engineer Owner table from topic body (#298)
   Commit 1619f07 PR #298
8. 2026-05-04 Gavin Edwards Bulk/mechanical change
   Batch 7: 47 new topics from full 4-gate pipeline
   Commit e5e26ab
9. 2026-04-20 Gavin Edwards Bulk/mechanical change
   Replace all topics with 17 v3-generated priority topics + component fixes
   Commit 2d64693
10. 2026-04-15 Gavin Edwards Bulk/mechanical change
    Fix schema violations flagged by CI validator
    Commit 5c49b50
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

Baseline import

Initial import into service_docs

Imported by Gavin Edwards on 2026-04-08

Import 29 more topics, Baraza deep-link investigation, fix placeholders

Commit edafaa3

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