'serious mishap' is correct and can be used in written English.
It is a way of referring to a serious accident or calamity. For example: "The company faced a serious mishap last year when a large machine malfunctioned."
Farther away, NASA's robotic rover on Mars, the Curiosity, also experienced a serious mishap.
It was also marred by what could have been a serious mishap.
A more serious mishap was the wood-roasted trout, which was scorched ebony outside.
Mr. Salazar and other officials said that the initial steps posed little risk of an oil spill or other serious mishap, though antidrilling activists disputed that.
Bits of foam had detached in past missions without serious mishap, and, at the time of the Columbia launch, National Aeronautics and Space Administration NASAA) engineers did not think that the foam carried enough momentum to cause significant damage.
Yet if the economy slips badly, the prime minister will find that a far more serious mishap than nationalising Northern Rock.The dangers of an economic reverse appear to be mounting.
Several planned sessions have been cancelled at short notice, but there have been no serious mishaps.
There is — like the production or not — quite a tale to tell, full of its own drama, including serious mishaps in performances as well as in rehearsals, all accounted for here.
But some Mr. Cohen's decision has been somewhat controversial in Congress, where some lawmakers have questioned whether the military has become too hesitant to discipline commanders for serious mishaps that occur on their watch.
Conathan said very little had changed since 2012 when Shell was forced to bring its Arctic explorations to a temporary halt after a series of serious mishaps, including the failure of one of its key safety equipment pieces.
The Columbia investigators noted that the advisory panel, known as the ASAP, complained in 1995 that NASA officials were treating the space shuttle as mature and that the situation "smacks of a complacency which may lead to serious mishaps".
