Something must have hit the shield generator during the last hyper jump. Had to dismantle the plasma cannon for some spare parts. Now the shield works again like a charm.
There is no logical explanation why the damn exterior hull is constantly losing integrity. Seems my only chance is to assemble a repair drone. I'm only missing a few components.
After some desperate days of search I have finally found the reason for the structural decay. Some sort of parasite has infested the lower hull parts. I think I will need some fire. Preparing a fusion discharge...