Nikon F100 body - camera back latch repair solutions?

I have a Nikon F100 body that needs a back repair.

For those not in the know, Nikon abandoned its use of solid metal latches (that were highly durable) in favour of a lighter plastic latch. Over time, these latches or tabs weaken and can eventually break. Both of mine broke after having the camera in storage for a few years, so I think they just failed with age or else were about to fail when the camera was stored.

It is possible to buy used camera backs from a famous auction site or other sources, but they are likely to eventually fail as well.

I know that Nikon, at one time, did repair this fault but I am unsure if they used any upgraded parts. In any event, these parts are no longer available from Nikon.

What options are there to durably repair the back so that the camera will function again? I don’t want to use ugly options like duct tape – I want to be able to properly close the back again. I’d ideally like to find a solution that upgrades the strength of the latches so that they will last the remaining lifespan of the camera.

While I’m personally seeking repair shops or options that I can arrange to have done, I’m open to hearing suggestions that involve self-repair in order to make this question more useful in the archive.