EV3 High-Drag Validator Triage
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Background
Section titled “Background”Use this guide to triage an EV3 high-drag validator failure. The decision tree follows the EV3 High Drag Validator Triage map, including its incident and on-call coordination entry point.
Related Search Phrases
Section titled “Related Search Phrases”HIGH DRAG VALIDATORhigh dragprop stays openincorrect parking angle
Troubleshooting Steps
Section titled “Troubleshooting Steps”graph TD
open-high-drag-incident-channel{{"<small><b>Step 1</b></small><br/>Escalation: Escalate the given High Drag issue by..."}}
review-fixed-wing-video{"<small><b>Step 2</b></small><br/>Question: The on-call team will now review the ..."}
inspect-shaft["<small><b>Step 3</b></small><br/>Action: Assign Work Order Template 1485: Hov..."]
identify-calibration-aircraft-build{"<small><b>Step 4</b></small><br/>Question: What build type is this aircraft?"}
perform-hover-motor-zero-point-calibration["<small><b>Step 5</b></small><br/>Action: Assign Work Order Template 1363: EV2..."]
perform-hover-motor-zero-point-calibration-ev2["<small><b>Step 6</b></small><br/>Action: Assign Work Order Template 1363: EV2..."]
replace-hover-motor-shaft-spring["<small><b>Step 7</b></small><br/>Action: Assign Work Order Template 1498: Rep..."]
assign-high-drag-inspection["<small><b>Step 8</b></small><br/>Action: Assign Work Order Template 1363: EV2..."]
open-high-drag-incident-channel --> review-fixed-wing-video
review-fixed-wing-video -->|One or more propellers stay...| inspect-shaft
review-fixed-wing-video -->|One or more propellers park...| identify-calibration-aircraft-build
review-fixed-wing-video -->|A propeller closes, then op...| replace-hover-motor-shaft-spring
review-fixed-wing-video -->|No clear affected motor, or...| assign-high-drag-inspection
identify-calibration-aircraft-build -->|EV3| perform-hover-motor-zero-point-calibration
identify-calibration-aircraft-build -->|EV2| perform-hover-motor-zero-point-calibration-ev2
style open-high-drag-incident-channel fill:#fef3c7,stroke:#f59e0b,color:#78350f
style review-fixed-wing-video fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style inspect-shaft fill:#dcfce7,stroke:#22c55e,color:#14532d
style identify-calibration-aircraft-build fill:#dbeafe,stroke:#3b82f6,color:#1e3a5f
style perform-hover-motor-zero-point-calibration fill:#dcfce7,stroke:#22c55e,color:#14532d
style perform-hover-motor-zero-point-calibration-ev2 fill:#dcfce7,stroke:#22c55e,color:#14532d
style replace-hover-motor-shaft-spring fill:#dcfce7,stroke:#22c55e,color:#14532d
style assign-high-drag-inspection fill:#dcfce7,stroke:#22c55e,color:#14532d Hover or focus a block to preview it. Select the block to keep the preview open.
1 escalation
Escalate the given High Drag issue by creating an incident channel and adding the on-call group
@fw-high-drag-on-call to review video logs and suggest next steps. 2 question
The on-call team will now review the fixed-wing video logs and determine the likely failure mode. Proceed through the guide by selecting the failure mode recommended by the team.
3 action
Assign Work Order Template 1485: Hover Motor Shaft Inspection. Add a Zerp comment on the work order identifying the motor or motors requiring the shaft inspection.
Assign Work Order Template 1363: EV2/EV3: High Drag Zip Inspection.
Assign Work Order Template 1363: EV2/EV3: High Drag Zip Inspection.
4 question
What build type is this aircraft?
5 action
Assign Work Order Template 1363: EV2/EV3: High Drag Zip Inspection.
Assign Work Order Template 1475: EV3: Perform Hover Motor (Zero Point) Calibration. Add a Zerp comment on the work order indicating that all motors should be calibrated.
Assign Work Order Template 1475: EV3: Perform Hover Motor (Zero Point) Calibration. Add a Zerp comment on the work order indicating that all motors should be calibrated.
6 action
Assign Work Order Template 1363: EV2/EV3: High Drag Zip Inspection.
Assign Work Order Template 1491: EV2: Perform Hover Motor (Zero Point) Calibration. Add a Zerp comment on the work order indicating that all motors should be calibrated.
Assign Work Order Template 1491: EV2: Perform Hover Motor (Zero Point) Calibration. Add a Zerp comment on the work order indicating that all motors should be calibrated.
7 action
Assign Work Order Template 1498: Replace Hover Motor Spring. Add a Zerp comment on the work order identifying the motor or motors to target for spring replacement.
Assign Work Order Template 1363: EV2/EV3: High Drag Zip Inspection.
Assign Work Order Template 1363: EV2/EV3: High Drag Zip Inspection.
8 action
Resolution note
This plaintext block is ready to paste into the Resolution Note field on the ZERP issue you're working. The permalink below gives engineering review access to the full step-by-step timeline including any back-navigation; share it if the case needs a deeper look.
Permalink:
Session is too large to fit in a URL. Use Download session JSON to share the timeline out-of-band.
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