The aircraft was transporting 9,000 l ( 2,000 imp gal ; 2,400 US gal ) of diesel in fuel cells .
Some of these broke loose , spilling some of the fuel .
The aircraft was transporting 9,000 l ( 2,000 imp gal ; 2,400 US gal ) of diesel in fuel cells , and some of these broke loose , spilling some of the fuel .