A subsidiary of national carrier Air India, AIESL completed the work in little over two weeks.
The C-1 check was done for the A330 plane at AIESL's Mumbai facility. The check is done for this aircraft every two years or when it completes ten thousand flight hours, whichever is earlier, according to a release.
Generally, C-1 check is an extensive one and covers a large number of aircraft components.
In May 2016, AIESL had completed major C check on Jet Airways Boeing B777 aircraft.
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