DT534 UNDERSHOOT FER TO RS TO CHECK ON BCP DT534 EARED ON SIGNAL SIDE ME OF FAULT : 1759HRS TAP2 ~~~~~ DT534 UNDERSHOOT     ER download Tims card no 26.Unable to download tro PTU006 on the 4th No FC 3rd feb #3534-BCU speed probe 2 (FC325) clear at same time ,informed signal and verify no abnormalities.Check tacho 1,2,3,4 impedan ok.Bcu cannon plug no sign of looseness.Dump v/v test ok.WDC setting/wheel gauge,BCU WDC setting done.#3534,#1534,#3533 Tims and BCU not fully adjusted-ok.#3534 brake cyclic BCP within criteria,no sign of slow release.Check ACU brake cyclic found ACU exhaust port tube not proper installed cause heavy air leak during brake cyclic test,reinstall and function brake cyclic test ok. Done by Saini/Asruddin/Zulq  05/02/23