QB Issue Resolution:

menu reports>custom reports>transaction detail

click the filters tab, set the following filters

account = inventory asset
Item = all assembly items
Transaction Type = Build Assembly

set the date range for the report and refresh

memorize to make it  easier to use next time

Resolution for Issue 'I need a report for all recent/past builds done – is there a pre-formatted one or does anyone know how to make a report in QB to show this?' available: Yes (Solved).
Source: Intuit Community forum.

I need a report for all recent/past builds done – is there a pre-formatted one or does anyone know how to make a report in QB to show this?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

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