Train prep:3626 BCU comm. fault. To replace BCU ~~~~~ Train prep:3626 BCU comm. fault. To repl   Checked and found #3626 FC-308, 301, 304, 307 BCU com fault. Replaced BCU and brake function test ok, BCP check ok. Old S/N: 1537252 New S/N: 1525211 Notification to CSC: 2604331 Done by: Yusof, Jack (2.6.24)