2505 - BCU & PROPULSION FAULT (DT CHECK) ~~~~~ 2505 BCU & PROPULSION FAULT (DT CHECK).  2505 FC 150/126/127/125. Checked and found SLK mechanically unable to latch, coil resistance 0.7 Mohm. Replaced SLK. Function check - OK. BCU unit healthy & fault cleared. Preventively swapped BCU from #2505 (s/n 1745002) to #1505 (s/n 1808030). (S/N after swapped) Limited movement & depot shunting - OK.  Sarma/Sugu/Anand/Kamarul/Shafie 45232