The facility—Plant 7—had produced 10,000 units of a common medical drone part (catalog #FDD-2059-B). All tests showed "standard quality": functional, efficient, compliant.
Standard drives used a basic stepper motor to move the read/write head. They were sufficient for the 720KB and early 1.44MB densities. But as demand for higher reliability grew—particularly in industrial controls, music samplers, and early CAD workstations—the standard mechanism wasn't enough. fdd 2059 extra quality