0005 00  TM 10-1670-287-23&P END OF WORK PACKAGE  0005 00-20  Change 1  c.  Beginning with line 1A, compare each line in the A group. The maximum allowable difference  between that line and any other line is ½-inch.  d.  Repeat step c., above, for B, C, and D line groups. b.  Grasp high points of each cell and flip canopy toward trailing edge. Canopy shall lie flat with  trailing edge lines on left side when viewed from riser end.  a.  Lay out parachute on a clean dry surface with canopy positioned on its left side. Leading edge  (nose) will be on right when viewed from riser end. Stretch lines full length with a helper  positioned at riser end to check continuity and to hold lines taut.  4.  Perform spanwise line check as follows:  Leading Edge  Lines 1D 2D 3D 4D 5D 6D 7D 8D 8C 7C 6C 5C 4C 3C 2C 1C 8B 7B 6B 5B 4B 3B 2B 1B 8A 7A 6A 5A 4A 3A 2A 1A TAIL NOSE