Just read a post about Apple Time Capsule. According to a german data-rescue company there seems to be a design-fault of used HDDs. This fault may lead to mass extinction because of hardware damage.
Affected devices Time Capsule devices of the 5th generation:
- 2TB ME177Z / A with Seagate Grenada ST2000Dm001
- 3TB ME182Z / A with Seagate Grenada ST3000DM001
- Safe your Time Capsule data
- Maybe switch to Veeam Mac Agent
Here is the translated article:
Here is the original (in german) article. Here you also see good pictures for illustrating the possible damage:
Hope this helps to avoid backup data loss!