Boltar wrote:
On 5 Jul, 10:49, chunky munky wrote:

Something probably fell of the train ahead......

If it does turn out to be yet another bit falling off a train , could
this be the end of the line for the 92 stock?

Unlikely. Something falling off is more likely to be the result of poor
maintenance - even if there was a design defect in the first place that
resulted in nuts working loose as a result of vibration then they should
have been spotted and replaced with a more secure fitting by the operators.