IBM 6150 Hardware Maintenance Manual page 54

Step 4
TNL SN20-9843 (03-27-87) to 75X0152 or 75X0166
Count the SRA numbers in your SRN.
4. Write the Service Request Number here:
DOES YOUR SERVICE REQUEST NUMBER CONTAIN ONLY ONE
SERVICE REPAIR ACTION NUMBER?
YES Do the following:
1. Find your SRA number in the "Service Repair Action Number
Chart PIC 0020" on page 3-0020-1.
2. Record the FRU name, repair checkout procedure, and the
removal procedure reference.
3. Go to "Step 9" on page 3-0010-10.
NO Continue on the next page.
(3/87) Problem Isolation Charts 3-0010-5