Train door at car 3705 'B3' not proven closed. TC recycled train door once - ok. ~~~~~ 3705 B3 Train door not proven closed. TC recycled train door once - ok. Depot to check 3705 B3 door operation.  3705 B3 door performed the following checks : FC : N FOD found: N Weather strip condition ok: Y Roller condition ok: Y Clean J-rail & guide rail: Y Door cyclic test 20x, DIR extinguish ok: Y TIMS door static timing test pass: Y Door lock switch red line flush: Y Door close switch actuating plate distance ok: Y Preventively swapped DCP from #3705 B3 to #3705 A3. DCP s/n after swap: B3: 1705W0200315031 A3: 1705W0200315040  Aliff/Daniel 45447