What is the next step the technical specialist should perform?

An IBM TS4500 has experienced I/O errors that have prevented moving the library into production. IBM has verified that the configuration is valid and performed the replacement of multiple parts.

What is the next step the technical specialist should perform?
A . Facilitate a meeting with IBM and customer executives to discuss available options to resolve the Situation
B . Escalate the issue through the complaint process (critsit) and explain this process and next steps to the customer
C . Perform an in-depth problem analysis and follow up with appropriate actions to resolve the issue
D . Conduct a workshop with customer system administrators and IBM technical field support representatives to jointly resolve the problem.

Answer: C