The fault was discovered during a routine check.

这个错误是在一次常规检查中发现的。

《牛津词典》

The drugs were found in their car during a routine check by police.

警方作例行检查时在他们的车里查出了毒品。

《牛津词典》

In a routine check on probiotics, she also found something unusual.

对益生菌进行的例行检查，她也发现一些异常。

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In Colorado, only a tiny fraction (about 1%) of people who have gun-disqualifying mental health histories have been reported to the National Instant Check System, where they could be discovered in a routine background check of a prospective gun purchaser.

CNN: Looking into the minds of killers

The agent, who could face a smuggling charge, was stopped for a routine check at Oslo's Gardermoen Airport on Tuesday.

BBC: SPORT | Football | African | Obi's agent fined for smuggling

Mr Mooney, aged 74, had not had any symptoms of prostate cancer, but was referred by his GP for a routine check.

BBC: Patrick Mooney and Nurse Specialist, Janette Nichol.