An Emirates 777-300ER with registration A6-ECW landed at Boston yesterday afternoon.  After rollout, a small fire appeared in the tailpipe of the #1 engine.  According to the video posted on YouTube by ‘tbird209‘, a couple of very aware avgeek spotters called 911 and notified tower of what they were seeing.  AvHerald reports that while there were no cockpit indications of a fire, the pilots noticed the fire on their external cameras, notified tower and shut down the engine. AvHerald also reported that a fuel leak was seen by emergency personnel.  No injuries were reported.  Video is Copyrighted by tbird209.