3555 BCP ABNORMALITIES ENT LOGS SHOW BCP OF 3555 HAVING ABNORMALITIES ~~~~~ 3555 BCP ABNORMALITIES     555/556 undershoot on 08/09/21.YIS2-2053hrs,KRJ2-2310hrs and TAP2-2344hrs.Checked Tims and obsereved FC:308,330 and 331 2349hrs and 2351hrs for #1556.Carried out brakes cyclic test,observed brakes slow re lease when B1 to coast.Previously #1556 ACU was swapped to #2556 on 31/0 raise ops-0020 to follow up checks on #1556-B13(Double check v/v) Done by Joshua.  09/09/21 1556 Brake slow release when B1 to Coast Replaced B13 (DOUBLE CHECK V/V) due to faulty and cause brake slow release.After replacing do brake status function check and air leak test ok. Done by Saini/Haslan/Asruddin. 09/09/21