Taylor Swift -- Scary Stage Malfunction Video ... I Might Have To Jump

Taylor Swift was trapped on an elevated platform during a scary stage malfunction at her concert in D.C. Monday night.

During a break in the music … techs jumped on walkie and told her that the extendable stage had just broken.

Stranded above the crowd she yelled out to her adoring fans - - “I’ll just be here forever, stuck up here, unless I choose to jump down.”