Received reports from residents that there was no Roosevelt Island F Train service to Manhattan this morning creating long lines at the Roosevelt Island Tram.
Image From Farkhod Aliev 
Image From Irina Hage The MTA reports the cause of F line service disruptions as mechanical issues at West 4th Street.
Additional information about the delays and service changes along the F and the M due to a train with mechanical issues at W 4th St. pic.twitter.com/6CayY3wX8kNYCT Subway (@NYCTSubway) March 9, 2017
#ServiceAlert: Following an earlier incident at W 4 St-Wash Sq, A, B, C, D, E, F, G and M train service has resumed with delays.NYCT Subway (@NYCTSubway) March 9, 2017
If you were impacted by this morning’s delays, you may request a delay verification note here: https://t.co/am2fFcVunxNYCT Subway (@NYCTSubway) March 9, 2017
According to the Roosevelt Island Twitterverse, ferry service starting this summer to Roosevelt Island may bring commuters from Astoria and the Bronx to use the already overcrowded Roosevelt Island F Train station.
@Eric11714 @patkiernan that’s a terrible idea for the already overcrowded Roosevelt Island f Train stationRoosevelt Islander (@Rooseveltisland) March 9, 2017