I believe this retainer is holding on the cover "33".
It flips in and holds it with the ear of the retainer.
This is assuming that it is similar to the AQ125 I have
Nah, I wouldn't worry about it. Of course nowthat you know about it you'll be worried sick everytime you take the boat out and eventually have to sell it because your stomach ties up in knots and the constipation is killing ya.