This is one of success case done by DFL engineer today for a Canada user. The drive looks very much like physical issue, bad heads or bad platter. But the real problem is on firmware. If any of you happen to get this type of cases, you can try the following solution.
HDD ID
Patient drive: ST31000524AS Firmware: JC45
Family: pharaoh (7200.12) (3F) Capacity: 1TB Read more