 On 17 May 2010 , Oliver Fricker trespassed and vandalised car 1048 ( trainset 047 / 048 ) with graffiti at Changi Depot . The graffiti was initially mistaken for an advertisement and was not spotted until the car was filmed and the video was uploaded to YouTube by a trainspotter . Fricker was convicted and sentenced to seven months ' imprisonment and caning . The public perceived this incident to have serious security implications , as the depot was considered a sensitive installation . 
