Originally Posted by Duragrouch

During the Apollo 11 landing descent from lunar orbit to the surface, the crew had made an error in leaving one of the antennas still receiving, and the landing guidance computer memory filled up, and they'd get this alarm, *** but then the computer rebooted or reset state and continued ***. Several times this happened and in each case, no need to abort landing. This was due to *** fault-tolerant programming ***, a real innovation. The woman (IIRC) who wrote that code for the landing guidance computer was highlighted in a video I saw years ago.