Devynil-deburr - 3/1/2012 - 2h Written on 03 January 2012. Posted in 2.4. Main Wings. The year is starting slowly.Working on the devynilling of the bottom skins and also deburring of the edges of the Z-Brackets that hold the fuel tank.Also deburred holes on the rear spar outboard reinforcement plates and worked them with sandpaper. Parent Category: 2. Wing Hits: 1 Previous article: Matchdrill complete - 31/12/2011 - 2h Prev Next article: Preparation Leading edges - 18/5/2012 - 9h30 Next