Pax reported to Staff (ORC) ,one pair oftrain doors were making noise at car 1517. SM(MRB) checked and confirmed no abnormalities found. ~~~~~ Pax reported to Staff (ORC) ,one pair of     #1517 check and found B2 door having squecking noise Further check found roller damage.Replaced roller and function test door ok.No squecking noise. Done by Zulq/Asruddin. 30/01/22