Current Pending Sector Count & Uncorrectable Sector Count, problem med 4tb disk.. vad göra?

Tjena swec!

Sitter i valet och kvalet om jag skall sluta använda en 4tb disk som jag haft ett par år, den rapporterar följande:

Disk Seagate ST4000DM000-1F2168, serial number Z300H84E, size 4 000,79 GB
Monitoring mode: S.M.A.R.T.
Current disk health: 57%, degradation from last report: 4294967253%
Disk temperature: 34 °C

Alerts detected for this disk:

Event date: 2016/02/17 09:40
Message: Raw value of S.M.A.R.T. attribute 'Current Pending Sector Count' (id-197) has changed. Old value: 0. New value: 8. Status: Degradation.

Event date: 2016/02/17 09:40
Message: Raw value of S.M.A.R.T. attribute 'Uncorrectable Sector Count' (id-19 8) has changed. Old value: 0. New value: 8. Status: Degradation.

Event date: 2016/02/17 09:54
Message: Raw value of S.M.A.R.T. attribute 'Current Pending Sector Count' (id-197) has changed. Old value: 8. New value: 16. Status: Degradation.

Event date: 2016/02/17 09:54
Message: Raw value of S.M.A.R.T. attribute 'Uncorrectable Sector Count' (id-198) has changed. Old value: 8. New value: 16. Status: Degradation.

Event date: 2016/02/17 09:54
Message: Disk health has fallen below the warning threshold. Current health: 57%. Threshold: 70%

Såhär ser det ut i ChrystalDiskInfo:

Vad säger ni?

Edit: chkdsk hittar inga problem.