218 Case 3.8 The Boeing Company
Instructional Objectives
1. To introduce students to the key internal control initiatives for public companies mandated by the
Sarbanes-Oxley Act.
Suggestions for Use
This case is ideally suited to be used as an introduction to coverage of internal controls within an
auditing course. The case will help students understand the nature and importance of the key
internal control initiatives mandated for public companies by the Sarbanes-Oxley Act of 2002.
Alternatively, if you have a self-contained module within your course that focuses on Sarbanes-
Suggested Solutions to Case Questions
1. The five components of internal control, according to the COSO framework, are control
environment, risk assessment, control activities, information and communication, and monitoring.
Different arguments can be made as to which of these five components is most relevant to the SOX-
mandated whistleblowing procedures. Having said that, the most directly relevant component in this
2. Although not mentioned in the case question or discussed in the case, there are three levels of
internal control “problems”: internal control deficiency, significant deficiency in internal control,
and material weakness in internal control. Following are definitions of those terms that were taken