0029 00  TM 10-1670-287-23&P  UNIT MAINTENANCE  MC-4 RAM AIR FREE-FALL PERSONNEL PARACHUTE SYSTEM  TAIL SEAM MAIN OR RESERVE CANOPY  THIS TASK COVERS:  x Repair  INITIAL SETUP:  Personnel Required  Equipment Condition  Material/Parts REPAIR CAUTION  1.  Patch the top skin or bottom skin as required using miscellaneous canopy patching  procedures outlined in WP 0015 00.  2.  Carefully cut stitching securing the tail seam together.  3.  If required, carefully cut stitching securing the rib to the tail seam.  4.  If required, carefully cut the control line-attaching loop and lay aside.  5.  Re-sew items removed above, in reverse order, using a light-duty sewing machine, size E  nylon thread and 7 to 11 stitches per inch.  If needed, only one pleat between ribs is authorized on the  top seam to align the ribs (pleat should be centered  between two (2) ribs, with a maximum size of 1-inch).  Layout on packing table or other  suitable area.  Cloth, Nylon, Ripstop, Type I (Item 9, WP 0076 00)  Thread, Nylon, Size E (Item 43/44 WP 0076 00)  Sewing Machine, Bartack (Table 1, WP 0015 00)  Sewing Machine, Light-Duty (Table 1, WP 0015 00)  Shears (Item 39, WP 0063 00)  Stitch Removal Tool (Item 40, WP 0063 00)  92R (10) Parachute Rigger  Tools 0029 00-1/(2 Blank)  END OF WORK PACKAGE