[It takes Wheeljack a significantly longer amount of time to reach Donnie's lab than it necessarily should've, because Wheeljack is still wary of stressing the doorwing after the other Ratchet and Breakdown and his Ratchet had impressed on him how important it was. This means that he moves much more carefully than usual, at least for now, just in case even the mild shifting from running or transforming injured it again while his systems were repairing themselves. He'd had more than enough of people being disappointed by his straining recovering injuries]

[He knocks on the doorframe when he arrives, shifting his weight from pede to pede before he announces himself] Donnie? It is Wheeljack. I will come in, assuming you haven't changed your mind.