4:23P 🔵 410-3105/Mt. Vernon Sq reported a door malfunction and was removed from service at 4:28 following a door malfunction on car 3139 involving doors 3/4 Posted byRail Transit OPSOctober 14, 2021Posted inMain Share this:Tweet Click to email a link to a friend (Opens in new window) Email Click to share on Reddit (Opens in new window) Reddit