Troubleshooting
There it is: Left external tank nearly empty, 300 pounds of fuel. Right tank completely full – 2300 pounds. Quickly did the math: Two thousand pounds of unusable gas, also meant fourteen thousand foot-pounds of lateral asymmetry. Out of landing limits, or nearly. And a lot less gas than he’d thought he’d had, just a moment ago.
Thought for a moment, keyed the throttle-mounted radio mic switch down, flight admin frequency, just him and his lead: “Dragon one, Dragon two. I’ve got a right external transfer failure.”
“Dragon one,” came the thoughtful reply.