33-8. ALUMINUM REPAIR (Contd)
h. Repair by Insertion. For damage that is larger or more severe than a crack or hole, it is oRen
desirable to remove damaged area (11, insert a piece of material (3) into removed area and reinforce this
with a doubler (2). This is termed repair by insertion. This method or repair is typicaIly stronger and stiffer
than an added patch.