This service?On the 1807 ex Marylebone.
All being booted off at Wembley Stadium.
Or swap the loco and send it onward without turfing everyone off!Seems to have been removed inside 30min - it's a good place to fail, with the turnback siding and the depot!
Looking at RTT I imagine one or more following trains stopped to rescue the passengers.
Except that the loco is at the country end and the depot (assuming there was a spare loco) is at the London end. Not impossible, but a slight shunting challenge.Or swap the loco and send it onward without turfing everyone off!
And would involve blocking the main line whilst the spare loco is prepped (assuming there's even one on the depot) and potentially even longer if there isn't a Driver who signs 68s at the depot.Except that the loco is at the country end and the depot (assuming there was a spare loco) is at the London end. Not impossible, but a slight shunting challenge.