This samsung m8E family disk gives fw errors while initializing .
in DE scratching sound comes while reading Head 2 & disk goes to busy state , while I could read using Head 0,1 & 3.
utility head test shows Head 2 ok but gives errors for Head 3
Is this some kind of FW issue as all modules under head 0 are fine.

Initial diagnostics here would have been taking heads out for inspection under microscope.
And most likely change them before powering the drive.

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Digitalsupport Data Recovery
https://digitalsupport.dk

Thanks digisupport
That is right approch ,customer in this case wants only single database file & do not want to to spend money for head transplant.
I want to give it a try on FW level first . If I could conclude whether head2 is indeed bad then there will no option.