3669 TC reported B2 saloon door slow in ~~~~~ 3669 TC reported B2 saloon door slow in closing during train prep.  3669 found FC 933. #3669 B2 door,before cleaning J-rail RHS = 7.9KN, LHS = 8.2 KN. After cleaning the J-rail, RHS = 3.9 KN, LHS = 4.3 KN. Further check on TIMS found #3670 A2 door with same FC 933. Before cleaning J-rail, RHS = 8.4 KN, LHS = 8.1 KN. After cleaning J-rail, RHS = 4.3 KN, LHS = 4.5 KN. Door open/close timing within criteria.  Sarma/Anand/Kana 44220