REPAIR OF PUNCTURE THROUGH BOTH SKINS AND CORE.
The following procedures cover repair of panel
puncture through both skins and core, (damage area
does not exceed 100 square in. (645 sq. cm)). Use
hand router to cut patches and openings.
Cut an opening through panel skin with portable electric router,
Appendix B, Item 15, that is one inch greater than damaged area.
corners in opening.
Openings may be oval, circular, square, or rectangular
with rounded corners.
Ensure core ribbon direction is
same as panel.
Dry panel per paragraph 4-31, if required.
Cut a core plug and two aluminum patches (Item 4, Appendix E) one to
three inches larger all around than cutout opening.
Mix sufficient amount of adhesive (Item 1, Appendix E) in
with manufacturers instructions to bond two patches to core plug.
W A R N I N G
Methylethylketone is flammable and toxic and shall be
used only in a well-ventilated area away from sparks or
Gloves should be worn during use.