Seagate 100591681 2.5" SATA PCB

Q1:  hi need a PCB for a seagate momentus 5400.6 500gb. 100591681 rev a. Do you sell them?

Q2:  I have a Seagate 2.5" Sata Drive that I would like to try to fix by replacing the PCB. Would you have one?
Here are the numbers off the hard drive and existing PCB:
Hard Drive Part Number: st9500325as
PCB Number: 100591681 REV A
PCB Sticker: 100591678 G

This Seagate 100591681 SATA PCB is listed in Seagate 2.5" Laptop PCB on HDDZone.com