No, three engine burns are typical for boostback/re-entry. In many of the webcas...

JshWright on Feb 13, 2018 | parent | context | favorite | on: SpaceX's Falcon Heavy center booster lacked igniti...

No, three engine burns are typical for boostback/re-entry. In many of the webcasts you can see the initial round plume turn into a rectangle as the two outboard engines ignite.