On Tue, 1 Apr 2008 10:04:55 -0700 (PDT), "Robert M. Gary"
wrote:

AD 2008-06-51 prohibits injected (mostly Lycoming) aircraft owners
from changing their own oil (really makes the plane unairworthy after
an oil change until you get an A&P sign off).
Talking to AOPA about this I really don't get the impression that they
think this is very important. I would encourage everyone to send a
quick email to AOPA and let them know that the FAA needs to find
another way to do this AD other than restricting oil changes.

The only thing that AD does is require an inspection of a fuel servo
plug for security. It takes 10 minutes (most of which is getting at
the thing, which if you've already gotten it open for the oil change
makes it take 5 seconds) and if you can't get the nearest mechanic to
sign an entry saying that they complied with the job then you're not
doing something right. It doesn't stop you from changing your oil in
any way, shape, or form.