PCB Controller 2060-771640-003 for WD5000AAKX WD10EADS-22M2B0 WD5000AADS-00M2B0
It's important to know when a PCB is bad and when swapping it with a donor PCB could work. A thorough diagnosis is required. Embedded in a Firmware on the PCB is "adaptive data" that is unique to the hard drive it's attached to.