Schyllberg replied 12 days ago, not sure if they are continuing in a PM or he still needs to contact. If they are in contact then this thread can be closed.

There’s no replay of this nor is there any issues ever reported that could cause an issue such as this - airspeed being below 250kts and still be given a violation for speeding below 10000ft in a 737.

Sorry but these violations will not be removed.