TC reported TIMS showed BCU unit healthyat front DT faulty. ~~~~~ TC reported TIMS showed BCU unit healthy     #3547 FC 322/327.Check Tacho 4-32 ohm. Replace tacho 4, check ok 1.06 ohm.Limited movement ok.Dump v/v tested ok. Tacho Gen: New s/n: 9928023 Old s/n: 86044    Not: 2313765 raise. Done by Saini/Haslan. 12/09/21