WD My Book gives errors in extended test and write zeros

 What to do for these errors please help,data is lost will the drive work?

Test Option: QUICK TEST
Model Number: WD My Book
Unit Serial Number: [Deleted]
Firmware Number: 1016
Capacity: 1000.20 GB
SMART Status: FAIL
Test Result: FAIL
Test Error Code: 06-Quick Test on drive 2 did not complete! Status code = 04 (Unknown failed test element), Failure Checkpoint = 64 (SMART Attribute Test) SMART self-test did not complete on drive 2!
Test Time: 14:02:19, December 08, 2013

Test Option: EXTENDED TEST
Model Number: WD My Book
Unit Serial Number: [Deleted]
Firmware Number: 1016
Capacity: 1000.20 GB
SMART Status: FAIL
Test Result: FAIL
Test Error Code: 08-Too many bad sectors detected.
Test Time: 14:02:54, December 08, 2013

Test Option: WRITE ZEROS
Model Number: WD My Book
Unit Serial Number: [Deleted]
Firmware Number: 1016
Capacity: 1000.20 GB
SMART Status: FAIL
Test Result: FAIL
Test Error Code: 09-Sector #76800-77056::Write Zeros error!
Test Time: 14:04:24, December 08, 2013

Hello,

Based on the errors you got from the tests, it seems this drive has failed. Try getting a RMA if the drive is still under warranty.

How to replace a defective product under warranty