# da Vinci X/Xi/5 recall: software error let instrument arms failing a ball-screw diagnostic stay in use revision history

Append-only Arc G field-change log. Forward-only honesty: events accrue from Arc G adoption.

Incident: [da Vinci X/Xi/5 recall: software error let instrument arms failing a ball-screw diagnostic stay in use](/incidents/davinci-instrument-arm-diagnostic-recall-2025.md)

_No events on file. Arc G is forward-only; the recorded event log accrues from Arc G adoption. For the current state of this incident, see the incident page._

## Forward-only note

Arc G is forward-only. The event log accrues from the Arc G adoption point. Fields with no events post-baseline equal the current cached value and are not independently verified at any prior date.

_Canonical URL: /incidents/davinci-instrument-arm-diagnostic-recall-2025/history. REST: /v1/incidents/540323fe-894a-4a46-87d5-91e3e65f9653/history. HTML: [/incidents/davinci-instrument-arm-diagnostic-recall-2025/history](/incidents/davinci-instrument-arm-diagnostic-recall-2025/history)._