This drive reacts very slowly.
I do have a full backup of the SA, it took over 2 hours but without errors
All major modules have been read, but again VERY slowly
I can get the drive to ID.
The drive failed a head test.
Cannot read a sector (ABR) and cannot rebuild translator.
Cannot read/clear SMART.
Tried writing to minor modules but again wont write. Got Disk Servo Actuator AI Timeout error / or Disk Servo Actuator AI Bad Wedge error
Normally this would point to bad heads, but as the Microjogs are 00/0 could this be corruption and causing good heads to appear bad?

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PC3K does not support microjogs for Shrek LT drives, that's why you get value of 0. Have you inspected drive inside and performed slow responding fix? also you can block problem SA copy's, but if drive has issues inside i would look for new heads.

Thanks for the response. Slow responding fix doesn't work as it needs to write to the drive. I am pretty sure its heads.

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Did it fail head test on ALL heads?

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A few background processes prevent you to operate drive normally.
MJ are not equal to 0, it's the PC3000 can't recognize it's location.

"
.. Slow responding fix doesn't work as it needs to write to the drive. I am pretty sure its heads."

Actually, it works. And it's no need to wright on platters.

Stupid question ,
But i Wanted To Ask You Had New Heads In This From Donor ? .If Yes Try Copy Mod 47 From Donor ROM To Current Patient ROM Once

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Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
Logical,Semi Physical And Physical Data Recovery
Website-> http://www.chandigarhdatarecovery.com

Slow responding fix affects modules 32 and 02

First, if he did heads replacement so coping of mod47 from donor will not help with very high probability because it's a simple settings.
Second, w/r tests was failed due to timeout errors, so need to make drive operate normally to make diagnostics, and there is no need to change heads with very high probability.

Well,
I Disagree .Once New Heads Are Installed To Donor It Still Uses Old Heads Mod 47 .And If That MOD 47 Has Values Which Are Too Far Off From The Current Head ,Current Head Will Exhibit Such Error .Can You Please Try This Once And Report Back Mr DDrecovery

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Regards
Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
Logical,Semi Physical And Physical Data Recovery
Website-> http://www.chandigarhdatarecovery.com

Really?
So take any WD and write there another mod47 (sure, same model/family with the same heads config). In 90-95% you will get a little bit longest start and normally working SA and UA. Mod47 (not only) used ONLY for starting main parts of microprogram from surface. And mod47 parameters must be VERY DIFFERENT to unable loading of main microprogram.

OP did't answer this question so far.
can you post MOD 32 & 02 here ?

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Well,
I Fully Agree To this .But i Like Him To Try It Once As Its Not a Rule Might Be His HDD is In That 5% Zone

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Regards
Amarbir S Dhillon , Chandigarh Data Recovery Labs [India]
Logical,Semi Physical And Physical Data Recovery
Website-> http://www.chandigarhdatarecovery.com

To make some experiments - I have no objections

Could be nearly anything actually. I wouldn't guess without the drive on hands.

But whatever the issue is, I'd recommend to not
If you can read its modules and no one worked with the drive before, translator should be OK. But if heads are bad, it can make the situation worse.

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Thanks for the advice everyone. You can't stop learning in this businesses. We did in fact swap the heads overnight and we did get the data back. Once again many thanks.

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HDD, SSD, Flash and RAID Data Recovery
Founder of The Data Recovery Professionals Group