How to do Global search in Jira
Step 1 : Press "ALT+Q" to to shift the focus to Global Search box.
Step 2 : Enter the text or the Jira ticket key that you want to search.
Step 3 : Press "Down" key to enter the list. JAWS/NVDA should read the number of tickets in the list at this point
Step 4 : Press "Up" or "Down" key to traverse the links.
Step 5 : Press "Enter" key to enter a link or press "Esc" key to exit the list.