Items which were in breach of building regulations, were flawed on a functional level or which were a result of poor workmanship rather than a conscious aesthetic decision would clearly constitute defects which should have been rectified. (singaporelitigationlawyer.com)
Castellan Group v. Crewe Engines, Arbitration [2006]--(claim relating to alleged poor workmanship in the rebuilding of a vintage Mercedes car engine) (9stonebuildings.com)
Some of the stitching is sloppy and some seam edges are coming apart though, so I deducted a star for poor workmanship. (sweetbottomsbaby.com)