Defect name and place	Potential root causes	Solutions
1) Puckering at Side Seam	Parts handling method	Follow the guide properly, reduce speed at shape changing area
	Parts handling method	Hold both parts in asymmetric
	Thread tension mismatched	Readjust thread tension
	There is no mark to hold the parts properly	Put cut mark at edge during cutting the panel
2) Raw edge at side seam	Parts handling method	Follow the guide properly, reduce speed at shape changing area
	Parts handling method	Hold both parts in asymmetric
	Excessive Speed	Don’t exceed the speed limit 4500rpm
3) Waist band mouth out of shape	Mouth close wrong	Straight sewing at mouth close bottom line
3) Waist band mouth out of shape	Waist band top stitch inclined	Use the shape folder for waist band top stitch
4) Uneven stitch at back pocket top stitch	Stitch corner round shaped	Use split bar DNLS machine for ease of operating
4) Uneven stitch at back pocket top stitch	Stitch corner round shaped	Don’t stress the pocket corner during stitching
5) Uncut thread at loop tack	Wiper stopped	Never stop wiper
	Stitch continued over the space	Stop stitch at the parts end
	Bobbin thread loose	Adjust the bobbin thread
6) Broken stitch at cross point	Stitch cut during excess thread cutting.	Cut thread end carefully
6) Broken stitch at cross point	Use of air line during inseam join operation	Stop using air blowing if avoidable
7) Down stitch at waist band top stitch	Waist band attach wrong	Follow block pressing mark
	Waist band width measurement wrong	Keep the allowance same during waist band center tack
	Cut panel width shortage	Follow marker line properly to avoid cutting mistake
	Allowance not even at waist band attach	Keep the allowance even and follow the gauge properly
8) Visible stitch at waist top stitch	Waist band attach wrong	Follow block pressing mark
	Waist band width measurement wrong	Keep the allowance same during waist band center tack
	Cut panel width shortage	Follow marker line properly to avoid cutting mistake
9) Length uneven	Allowance not even at waist band attach	Keep the allowance even and follow the gauge properly
9) Length uneven	Size mistake	Use single piece material in sewing line to avoid size mixing up