3506 TC reported train having slow pickup when departed every station
since JKN EB. TC feedback there was no power fault. Train was able to
reach maximum speed and train performance was ok.

CE: 3506 powering checked ok . Initial pick up slight delay . ~~~~~ Checked TIMS, no FC recorded. Upon further investigation, found 1506 bogie1 all brake unable to release when at coast. Found the shuttle valve was faulty. Replaced the shuttle valve. Function check, OK.
Replaced 1506 A1 brake shoe due to worn to limit.

N.ATEH.A.M/11.11.21
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