You can refer below link for details on drive indicator codes.  [URL]  From the message looks like you have a drive failure. Is the disk drive is part of virtual disk. Can you share the storage controller and virtual disk details. If drive is part if redundant virtual disk you can replace the drive with same type and family and size same or above of current drive. You can refer below link on replacing drive [URL] 
PDR1001 fault detected on drive 1 in disk drive bay 1. Check drive We have got a PowerEdge T430 which had a amber disk drive and was displaying the following amber alert:     please help for advice and directions to solve the issue
PowerEdge T430: PDR1001 fault detected on drive 1 in disk drive bay 1. Check 
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