31128 Charybdis passes Mortimer on 24 February 2026 with the 6Z03 10:34 Basingstoke North Yard to West Ealing Plasser Sidings, conveying failed Robel Mobile Maintenance Train DR97503, DR97603 & DR97803. Despite the small load, the loco was making a spectacular noise, as it climbed the short section of 1 in 308 gradient from Mortimer station.