66538 passes through Kings Sutton station on 25 May 2021 with the 4O14 04:59 Garston to Southampton Maritime freightliner. Unfortunately this completely blocked out the view of the 6G60 05:00 High Wycombe to Bescot departmental working, that was approaching from the opposite direction, with top'n'tail GBRf Class 66s. This was running over three hours late, and with a complete load of rails, which presumably explains the Realtime Trains explanation: 'This service was cancelled due to a problem with engineering equipment outside engineering works.'