0058 00  TM 10-1670-287-23&P  11. Starting at the tail end of the rib, fold and sew the top skin with a double needle sewing machine, size  E nylon thread and 7 to 11 stitches per inch.  12. If the rib is a loaded rib, start at the tail end fold and sew a second row of stitching, using a double  needle sewing machine, size E nylon thread and 7 to 11 stitches per inch.  13. Re-sew the tail seam as required according to original construction and stitch formation.  14. Re-sew any reinforcement tape as required according to original construction and stitch formation.  15. Replace any crossport holes as required, IAW WP 0027 00.  0058 00-4  NON-LOADED RIB SEAM, TOP SKIN  LOADED RIB SEAM, TOP SKIN  END OF WORK PACKAGE 