Either was available as a stand-in in case of mechanical breakdown on set.

It never arrived; according to the official account, this was due to mechanical breakdowns.

"I'm a major mechanical breakdown away from going out of business."

On its third trip from California, it suffered a mechanical breakdown at sea.

Beyond that, they will pay a $5,000 penalty if a train is more than 15 minutes late because of mechanical breakdown.

The sails were only for use in case of mechanical breakdown.

The crew reportedly had a mechanical breakdown of both engine and sails.

There's still the possibility of a mechanical breakdown in the body.

If a mechanical breakdown does occur early in the day, all subsequent flights are affected.

The character's car has a mechanical breakdown and is stranded on the side of the road.