[A/S] How to fix bowed floor at the entrance doorway

["C. Hale" <chale@xxxxxxx>]

Hello all,
 I'm looking for some advice about the floor at the doorway of my 59
 Traveler.  I've stripped the layers of flooring down to the plywood.
Here's
 the problem:  The floor is bowed up across the doorway.  There seems to be
 nothing to fasten it down to.  What's there is the flat iron the is the
 handle for the step.  I'd appreciate any suggestions, advice or experience
 you might have that could help me.
 Thank you all.
 Cindy