Extensive testing is necessary in order to determine whether or not problems exist in the drone system. Testing differs from troubleshooting in that you test before you know there's a problem.
Thus generally, you will need to have done some kind of testing before you can begin troubleshooting.
This checklist template will guide you through a range of tests in order to highlight issues that you may not have been aware of so that further troubleshooting or repairs can be performed.
Once you've finished this checklist you can use the information to inform your maintenance or repair technician as to any issues that your drone is having.
Let's get started.