This article explains how to create a report that shows the list of issues by Asset custom field.
Pre-requisite: The Asset objects type custom fields are configured and available in Jira issues. For reference, the Location and Model custom fields are defined and configured.
Create a List report
Go to Jira > Reports and Timesheets > Custom Report
By default report type is selected as List
Click on the fields in the left-hand side fields selector to add them to the report
Common: Issue Key, Issue Type
Custom Fields: Model, Location
Location -
Group the results by this Asset custom field.
To report only issues that contain Location field values, add the filter.
Click Run to view the result.
The same report can be created using other report types.