Pax feedback to staff (YIS) that car 1617, 'B3' door was shaking when opening & closing.Staff (YCK ) checked & followed the train to AMK2 feedback no abnormali ties. ~~~~~ No FC Open Close speed pass: Y FOD found: N Door cycle 20x: Y Rubbing marks: N Door Push/Pull force:9Kg Door mating gap: 63.2mm Check Door Lock Switch red line when door closed (should be at half or at most flushed with the step) - satis Door Lock Switch Cushion Rubber intact: Y Door Close Switch distance from actuating plate: 15mm Door Wobble: Y Rectification Actions: Found #1617 B3 door RHS outer roller delam. C/O function test ok. Serviced door and perform cyclic check-ok. Done by: Samsudin and Asruddin