Train doors were not proven closed. TC informed DIR still illuminated but did not notice which car t hat the doors were not proven closed. TC recycled train door s once to clear fault -ok. ~~~~~ 3624 Train doors were not proven closed. TC informed DIR still illuminated but did not notice which car that the doors were not proven closed. TC recycled train doors once to clear fault - ok. CE: 3624 monitored ok, all doors proven closed. *OE request depot to follow up on check, to download ER at 0800 to 0920hrs.  3623 checked/found having FC 933 at reported time. Checked all saloon doors at #3623 for any FOD - Not found. Weather strip condition check - OK. Conduct door force test, registered 10.2 kg/f. Cleaned J-rail & retested door force, registered 8.6 kg/f without removing from door operator. Checked all doors condition & FOD trace, no abnormalities found. Conducted door cyclic test 20x on both A/S & B/S doors. Unable to duplicate fault. D/L & emailed ER to OE as requested.     Farid/Kana 44324