Originally Posted by
jib71
I think the N'EX was taken out of service to reduce power consumption, so it's likely to stay out of service for some time. Alternatives include the slower JR trains, Keisei Skyliner and Cityliner trains (running on a weekend schedule) and limousine buses.
I don't know how profitable or otherwise the N'EX operation is but JR may be suspending the service to reduce loss especially with fewer people flying in and out of NRT.
According to Keisei's website, Skyliner trains are running but not Cityliners.