Items disappearing from Download List on the PSN?

[Groo The Perverted]

Wondering if anyone else has had this problem. I recently formatted my PS3 back to factory settings and have gone about re-downloading all my games and whatnot.

I have a couple accounts that I have used over the years, one I had from the beginning and another I started using primarily (the Groo account) a few years back.

However looking in now there are games and videos missing from my downloads.

1. The God of War: Unearthing the Legend documentary is missing from my video tab. There are only three videos listed in there, but I know for a fact there are more videos that I downloaded.

2. I had downloaded some of the "Welcome Back" games in my old account as well as my new account, however my old account does not have the games in there that I downloaded.

Not very happy about this and cannot understand why they would remove items that I downloaded from the list.

Has this happened to anyone else?