Another day, another elevator incident for Kylie and Tyga!

The youngest Jenner stepped out with her all-black-everything boyfriend in New York Friday night, but not without causing a stir! Perhaps it's because these two don't find themselves in elevators that often in LA and maybe they get giddy and excited pushing the buttons but SOMEBODY doesn't know how to ride in an elevator without getting stuck!

The fire department was called to the couple's swanky NYC pad AGAIN Friday night, after the exact same thing happening the day before. Never mind, though -- the two ended up wiping the sweat from their brows and carrying on, looking like a million bucks as they headed out into the Big Apple for an evening on the town ...