14c312ab__Base___Diagnostic_Error_Codes__Status
[Error code] 138 [Explanation] Still Busy Timeout [Definition] Timeout from checking busy bit. The drive has not responded in the time allotted. This may be due to a defect with the drive or a bad connection. Check cable and retest. Replace the drive if the error repeats. [Status] 
Re-test Drive
WD Support / Knowledge Base / Diagnostic Error Codes
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