When you find it remove the insulation from the area and determine.
How to replace drop down attic stairs.
Remove the finishing nails and set the trim aside.
Only remove metal hardware from one side of the stairs at a time or the entire contraption may come apart.
Extend the attic folding ladder until it touches the floor.
Steps for replacing attic stairs.
Attach 1 by 4 inch strips along the front and back sides.
Measure the rough opening of the attic staircase and match it to find a suitable replacement.
Determine the area where you want to place your stairs.
If the attic stairs are in a state of extreme disrepair replace them.
Next using an electric drill pop a screw up through the drywall in the ceiling.
Remove the springs from the old attic staircase by bending the metal arms forward to release the tension.
Cutting and bracing a new hole.
Using a reciprocating saw cut off the metal hinges of the staircase.