Train doors at car 3627 'A4' door was not proven closed. TC recycled train doors once - ok. Train do ors at car 3627 'A4' door was not proven closed. TC recycledtrain doors once - ok. ERS-10 ~~~~~ 3627 A4 Train doors was not proven closed. TC recycled train doors once - ok. Train doors at car 3627 'A4' door was not proven closed. TC recycled train doors once - ok.  3627 A4 door ER D/L & found FC 083 (close operation time-out CLE). Checked door resistance & door guide - OK. J-rail no obstruction & cleaned up as preventive measure. Door leaf gap check - Satis. Door lock device rubber cushion check - OK, sticker still intact Found door lock s/w rigging out of criteria - Red lines fully visible. Re-adjusted DLS rigging. Door function check - Satis. Swapped #3627 A4 DCP to #3627 B4.  Au TK 44913 DCP S/N : #3627 A4 - 1503WO2000IS023 #3627 B4 - 1503WO2000IS036