At about T+1:40, the three engine bells appeared to shake and diverge away from each other slightly, and one appeared to flame out, spewing flame around the com

At about T+1:40, the three engine bells appeared to shake and diverge away from each other slightly, and one appeared to flame out, spewing flame around the compartment, with one side of the chamber (and maybe craft) catching fire. https://i.imgur.com/KER9nqc.png https://i.imgur.com/KER9nqc.png Is that what happened, or was it perfectly normal?