"underwent maintenance" is correct and usable in written English.
It is most often used when discussing a machine, system, or other object that has been worked on in order to improve its performance or keep it functioning properly. For example: "The company's computer system underwent maintenance over the weekend, which allowed it to operate more efficiently."
Refining margins have been so weak that Valero announced this week it would close its Texas City refinery while it underwent maintenance for the next six weeks.
The Indonesian captain, a former air force fighter pilot, had 6,100 flying hours on the A320 and the plane last underwent maintenance in mid-November, according to Indonesia AirAsia, 49percentt owned by Malaysia-based AirAsia.
The Indonesian captain, a former air force fighter pilot, had 6,100 flying hours on the A320 under his belt and the plane last underwent maintenance in mid-November, according to Indonesia AirAsia, which is 49percentt owned by Malaysia-based budget carrier AirAsia.
During January 1936, the cruiser underwent maintenance in Alexandria and visited medical facilities in Cyprus: cases of rubella and mumps had been circulating through the ship's company since late 1935.
In May 2009, 381 patients underwent maintenance HD in our dialysis unit.
After the completion of multidisciplinary treatment, all patients underwent maintenance therapy and were therefore followed up.
An airline representative said the plane was built in May 2001 and last underwent routine maintenance in December.
The PDMS, after its introduction in 2006, also underwent regular maintenance and one update per year, which included adaptation to the altered DRG coding rules.
One patient with stable disease after six cycles of the study treatment refused maintenance bevacizumab and underwent extrapleural pneumonectomy 1 month after the last chemotherapy/bevacizumab administration; she was censored for progression at the day of last CT scan showing stable disease.
In the clinical setting recorded in our study, only a minority of patients underwent optical coherence tomography during the maintenance phase (71 of 1,729 patients).
"The princess underwent training in driving and motor vehicle maintenance at the Camberley base in Surrey, outside of London.
