Removing the driver's side lower door hinge, the nut that attaches to the hinge inside the car dropped inside that little compartment that also houses the wire connectors and I can't find where it went. I think there is a little "tunnel" down there.

Does anyone know if removing the rocker panel molding will give me access from underneath the car to that area where the the nut fell?

It's hard to explain but the nut fell down inside the compartment denoted by the the blue arrow. Its...

1999 driver's side door hinge - can't find the nut!