Submission + - Voyager 1 engineers adjust thrusters again.
Now, with 47+ years on her engine, Voyager 1 Engineers just made another long-distance tweak. This time they adjusted hydrazine flow through tiny (.25mm or 0.01inch) fuel tubes which had become blocked by the buildup of crud from seals and valves. As the article notes, "
Here I thought the carb on my old Citation was tough to work on.
Get more info on the Voyager 1 probe and her mission here https://blogs.nasa.gov/voyager