TC reported TIMS showed obstacle detected at car 2616 'B2' door. Fault self-cleared and did not recu r at subsequent stations. Staff(TAP) checked and confirmed c ar 2616 'B2' door opened and closed normally. ~~~~~ TC reported TIMS showed obstacle detecte     Check the above mention reported and found #2616-B2 door (RHS) door roller faulty.Replaced both RHS roller ok. Check all components reading all within criteria.Door function test and static test ok. Done by Saini/Haikel. 18/04/23