There is a secret room in the jumping part and the lights in the room have a certain order you active the light to open a secret room. If you are looking for a team to attempt this post below. Look on planet destiny's YouTube for proof
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I've been in the room and for all the work and no reward I'd tell peeps to just forget about it because there goes 2hrs of my life I can't get back http://www.forbes.com/sites/insertcoin/2015/10/05/bungie-confirms-the-taken-kings-secret-raid-room-is-an-easter-egg-but-no-treasure-trove/