I'm a DofE assessor and was trying to comment in your thread but I think it's been closed.*
I can see absolutely no reason why your daughter failed that expedition.
The torch thing is vaguely fair enough, but I assume others had ones anyway.*
The biscuit idea is ridiculous unless she had nothing but biscuits.*
The fitness level is also weird as the Award is meant to be for everyone anyway.
Any other queries please just shout!