Originally Posted by
UnitedFlyGuy
The TSA sometimes does checks at the gate.
Also, pilots sometimes abort a takeoff. If the plane if overweight then that could cause serious problems. Unload some weight, take off. In the time I have been flying I have been on multiple planes that had weight issues.
Isn't it a bit late to be doing that on the take-off roll? That said, I have had a pilot power down during the take-off roll, extend the flaps, then power up and take off.