Not able to delete a file

We are not able to delete a file

-rwxrwxrwx    1 xyz              1 Jun 18 20:49 abc.lck

here xyz is the owner, i am logged in with owner credentials only .And also tried deleting as root user. But getting same error like below..

rm: 0653-609 Cannot remove abc.lck.
Invalid file system control data detected.

Please let me know how can I delete this. It's pretty urgent, please advice if you know how to get it resolve asap

Thanks!

You may not have write permission to the parent directory.
Source : rm: 0653-609 Cannot remove __. The file ...

This looks like your filesystem is corrupted! umount it and run fsck against it if possible.

Any hardware errors?

errpt