IBM RT PC Problem Determination Manual page 71

S t e p 60. K e y b o a r d
1. Get a Problem Summary Form from Appendix B of this manual.
2. Write the Service Request Number 36-780 on item 4 of the form.
3. Have the keyboard serviced.
Appendix B. Problem Summary Form
STOP. You have found the problem.
Section 2. Hardware Problems 2-43