TC reported TIMS show Front M2 poweringcut-off. Train was jerky. TC reported no fault indication. ~~~~~ 2688 found B2 CCD fuse box cable lugs & mounting screws melted. Charging resistors, line breakers & CCD height checked - OK. Limited movement & powering current checked - OK. Notif 2226737 raised to RSW. Name                          :Jefferson Date of Occurrence            :4/12/20 Last Service Date             :  EMU / Equipment / Location    :2688 B2 CCD Fuse Box & Cable Equipment Serial No. (if any) :  Description of fault / cause  :CCD Fuse Box Cable Lug & Mounting                                Screw Melted Measurements (if any)         :To Replace  Sarma/Wong/Rasul/Nizam. 04/12/2020.