Headline is a bit misleading, this is more about reconfiguring the trains - so the Express service will never return, finally doing some maintenance, and running them a bit faster...
This throwaway at the end of the article is interesting...
The new trains will improve the company's services as it plans to serve passengers around the clock, he said.
No more Express Line for Airport Rail Link
The Transport Ministry is spending 22 million baht upgrading four Airport Rail Link trains and streamlining services to increase train speeds and reduce travel times as part of an effort to draw more passengers.
One of the four electric skytrains has been upgraded and since passed speed and safety tests, Deputy Transport Minister Ormsin Chivapruck said yesterday as he presided over a ceremony to launch the newly renovated train.
Another three will be ready for use by December, he said.
http://www.bangkokpost.com/news/gene...port-rail-link