Ha!
They were able to recover the failed backup gyroscope by executing a series of attitude maneuvers while switching between operational modes on the gyro.
They literally shook the spacecraft and turned the gyro off-and-on.
Sometimes you gotta bang on something to get it to work!
I would love to buy a beer for the mission operations team member who came up with that idea!
I wish I could do that to my software sometimes. Just bang my computer to get it working.
In that case, you may enjoy https://github.com/ajalt/fuckitpy
Or its siblings, including https://github.com/mattdiamond/fuckitjs