IBM 6150 Hardware Maintenance Manual page 204

Step 7
One of the FRUs that correspond to the SRAs in the SRN should fix the
problem.
4. Write the Service Request Number here:
J2. -
:2.34 -
/00 -
834 - 064
HAVE YOU EXCHANGED ALL OF THE FRUs THAT CORRESPOND
TO THE SRAs IN EACH SRN?
YES Contact your service support person.
NO Continue on the next page.
(9/86) Problem Isolation Charts 3-0090-7