Hitachi PCB OA58786/0A58786

Q1:  I’m looking for a replacement for the Hitachi PCB 0A29989 BA3129 – Zd8909 06WC.
LSI
UAB M3071-R2
02.2 0A58786
SGCNSG
0846 e3
UJ8SNF72003

Q2:  I’m after a PCB for an Hitachi 1TB drive Model HDT721010SLA360.
The top two lines from the sticker on the PCB read as follows:
0A29989
BA3129_
The chip data shows as:
LSI
UAB-M3071-R2
D2.2.Q
0A58786
SGCNSG
0908
Are you able to assist please as I understand you are the best suppliers in this field.

This Hitachi PCB OA58786/0A58786 is listed in IBM/Hitachi PCB on HDDZone.com