Berichtigung!!
NTFSFIX war doch erfolgreich, nachdem ich alles richtig eingegeben hatte:
ntfsfix -b -d /dev/sdh1
Mounting volume... $MFTMirr does not match $MFT (record 3).
FAILED
Attempting to correct errors...
Processing $MFT and $MFTMirr...
Reading $MFT... OK
Reading $MFTMirr... OK
Comparing $MFTMirr to $MFT... FAILED
Correcting differences in $MFTMirr record 3...OK
Processing of $MFT and $MFTMirr completed successfully.
Setting required flags on partition... OK
Going to empty the journal ($LogFile)... OK
Checking the alternate boot sector... OK
NTFS volume version is 3.1.
Going to un-mark the bad clusters ($BadClus)... No bad clusters...OK
NTFS partition /dev/sdh1 was processed successfully.
Vielen Dank für den guten Tipp!