Train doors were not proven closed. TIMSshowed car 3623 B1 door was not proven closed. TC recycle o nce - ok. Fault recurred at SIM WB and TNM WB. Staff(TNM) is olated - ok. Train doors were not proven closed. TIMS showed ~~~~~ 3623 Train doors were not proven closed. TIMS showed 3623 B1 door was not proven closed. TC recycle once - ok. Fault recurred at SIM WB and TNM WB. Staff(TNM) isolated - ok.  (L3) L3 3623 TIMS found B1 door having door related FC933. Observed #3623 carbody near B1 door having rubbing marks. Checked/found weather strip rubbing against carbody. Trimmed weather strip on #3623 B1 door. Rechecked door push/pull resistance - OK. Cleaned J-rail & guide rail. Door cyclic test & door static test - OK.  Alan/Lee PT 44842