One aircraft turned back after developing a mechanical fault, but the remainder pressed on with their attack.

Neither coach was speeding at the time of the crash, and no mechanical faults were found in either vehicle.

There's no sense in our being at odds over this- if it truly is a mechanical fault.

At the same time, no one has found clear evidence of mechanical fault, though investigators are studying possible scenarios.

He has identified the mechanical fault as a problem with the hydraulics in the tail assembly.

When the orders are not to his professional liking he always seems able to ground the plane with mechanical faults.

Chechen authorities cited mechanical fault as a cause of the crash.

Ejection seats did not work and there were many other mechanical faults.

He's missed left and right, so it isn't one mechanical fault.

On 11 June 2010, the tower was closed following a mechanical fault.