TM 9-2320-280-34
h. Repair by Insertion. For damage that is large or more severe in nature than a crack or hole, it is -
often desirable to remove damaged area (1), 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 typically stronger and stiffer than
an added patch.
22-15