Some of us guys have been mechanics long enough to know that other mechanics tend to overlook a lot of stuff, and the things we find in annuals on airplanes we see for the first time often turn up some horific stuff. None of us want to see this newbie to get hurt, financially or physically, by a rotten airplane. This airplane is 56 years old, plenty of time for some serious stuff to have accumulated.
Those old Cessnas had fabric headliners, a real pain to remove and reinstall, and mice found that space up there an ideal spot to build nests in the wing roots. I'd be wondering if that area was looked at recently. There are cables and pulleys up there, and dead mice and other trash can get into the cable-pulley and cause trouble, and the cables corrode.