0015 00  TM 10-1670-287-23&P  c.  Turn material and stitch back and forth across stitching made in step b., above, until hole or tear  is completely darned.  d.  If applicable, restencil informational data or identification marks using the criteria in WP 0017 00.  2.  Hand darning. When repair of a hole or tear is made by hand darning, the darn should match the  original weave of the damaged material as closely as possible. Hand darning is performed as  follows:  a.  Using an authorized marking aid of contrasting color, mark a square around the damaged area  and ensure that the marking is at least ¼-inch back from each edge of the damaged area.  b.  Using darning needle and a length of size A or E nylon thread, begin darning at one corner of  marked area. Working parallel with the marking, pass needle and thread back and forth through  material until opposite diagonal corner of marked area is reached as shown in A below.  Change 1  0015 00-5  A STITCHING Finish Marking Start Hole B HAND DARNING Start Finish Back and Forth Stitching in Both Directions Hole Marking