The long answer is acquiring the TSB (technical service bulletin), some are google-able, some are sold on ebay in cdrom form. The short answer is searching for

The long answer is acquiring the TSB (technical service bulletin), some are google-able, some are sold on ebay in cdrom form. The short answer is searching for the fix on youtube, which will give you an idea how long it should take (and possibly convince you to take on the repair yourself).