EB applied in AM while departing from station. Reset - ok. Fault recurred at JUR, BNL and JKN. TC la ter reported TIMS displayed obstacle detected at front M2 ca r A3 doors. Staff (LKS) checked and reported the affected tr ~~~~~ * ,N * 'Checked and found 2601 A3 door manually isolated. Normalise isolation cock and conduct free play movement. Observed RHS door jerky and rubbing noise during opening and closing manully. Removed door and found one of the inner roller damaged. Raised OP20 to replace 1pc door roller. DONE BY: TEH AM/SHARIF 03.07.2023 * ,N * OP20: Spare roller received and replaced damaged roller. Function test door smooth. Conduct door force gauge test satis. Conduct door operation function test satis. Conduct 10/20 mm gauge test satis. Conduct FOD check on car 2601 and none was found. DONE BY: SANKAR/FAISAL 04.07.2023