ATA 53

The inspection criteria will be changing for the fuselage in the areas of the chem. milled skins. The preliminary change will be to add the following: Removal of all sound deadening / insulation above floor level and accomplish a visual inspection in the areas of the chemically milled skins for corrosion. Then reinstallation of new insulation that will be adhered to the outer skin. This insulation will be easier to remove for subsequent inspections.