1632-BCU COMMS FAULT DURING TRAIN PREP.T ~~~~~ 1632-BCU COMMS FAULT DURING TRAIN PREP.  1632 FC 307 registered. Replaced BCU unit. Reset wheel diameter to 836mm. Tested operation - OK.    Old: 1509153 New: 1503113 Wong/Aqil/Akira/Elfyan 44936