Originally Posted by Mangin
Do I really need to cut an access hole on the inside to get at the nut? The bottom hinge has moved away from the trailer by about a 1/4". The Philip's screw just spins when I attempt to tighten it.
That's about the only and best way.
Apply some vulkem to the nut, after it's tightened.
The usual cause of the loose hinge problem, is lack of proper running gear balance.
Check the entrance door lock striker bolt for excessive wear, as well as the striker pocket.