As Mumbaikars wait impatiently for the city’s first ever AC train to roll into service, they’ll at least be sure that the air conditioners work like magic. But while commuters can look forward to a cool ride, railway engineers are currently on the hot seat as they race against time to fix all glitches in the new rake parked at the Kurla carshed. Central Railway has already missed the May 16 deadline to begin trial runs of the AC train, and the engineers cannot afford to miss the next deadline on June 30 as well.

When mid-day took a sneak peek yesterday, the AC was on in full blast and the doors were partly open as engineers tried to figure out how to make all the functions work simultaneously