Real time feedback: Reported grinding noise heard at Rear M2 B3 door while door is opening or closin g. Staff (DBG) checked, no abnormalities found. ~~~~~ 3608 Real time feedback: Reported grinding noise heard at Rear M2(2607) B3 door while door is opening or closing. Staff (DBG) checked, no abnormalities found. CE : T213(3608) RM2 car 2607(B3) door. Check door for abnormal noise found ok.  2607 B3 door checked/found RHS & LHS outer rollers delaminated - replaced the rollers. Security/function check - OK. Cleaned J-rail/guide rail & no FOD found. Checked weather strip condition - OK. Door static test & door push/pull no wobble/abnormalities found. No DIR lit up when doors were closed.  Alif/Anand/Sugu 45125