Originally Posted by
bafanguy
Reminds me of a day in MD-80 flght test when ferry tanks were being tested. I looked out the right window and saw fuel streaming from the wing tip. Stuck my head in the cockpit and said " Hey guys, do you know we are dumping fuel?" Was told - "We don't have fuel dump". I says "Go back and take a look". Turned out they had run the test card wrong and overfilled the wing tanks from the ferry tanks and the rest of it was going out via the vent box.
Wonder if this incident was similar with incorrect use of transfer pumps.