2602-Stuck brake ~~~~~ 2602-Stuck brake     When 750vdc cut off,B1 to coast-stuck brake.Heavy air leak from solenoid coarse exhaust. ACU-Old s/n: 1442-039  New s/n: 1403-005 Not: 2140968 raise. Done by Kumar/Jack/Sateesh/Koh. 13/03/20