Time to cut holes?

[BA17]

I cut a hole in the fish box and when you shine a light into the "hole" on the exterior you can see the light inside. The damaged area is in the middle of nowhere, like Bill said, an unsupported panel. When I had the boar re-done 6-7 years ago, he "fixed" the port side. He cut a hole on the fish box and laid in fiberglass on the panel. I don't see where anything has cracked or shows any sign of stress on either side. I am beginning to think this is all from hitting the trailer? The starboard side damage just doesn't look to me like it would be from flexing? I feel like we must be hitting it on the trailer somewhere. If you notice the starboard side has been patched over before. I thought that the marina had put the patch on it after they did something with the forklift. I never made the repair, it just appeared there. That was a year ago. I guess it doesn't matter how it got there, the question is how to repair it? I can get to the back side, but don't see anything that needs to be fixed. Should I go ahead and cut out the fish box? How would you repair the "hole" from the outside if it is a trailer issue? I have some other issues that I will start a new thread on. Please check it out and lend me y'all's knowledge. Thanks for all the info.