One very important concept with any fair lending review. Make sure it is approved at the highest levels of management and before the review starts, determine what the bank is going to do in the event there are any issues. It is not like a HMDA review where the bank can refile if the exceptions are XX% or higher. Higher pricing to a protected class not based on risk or other identified, non-bias criteria, can lead to a referral.
One way to start is get the FFIEC Interagency (or OCC's
http://www.occ.gov/publications/publicat...%20Handbook.pdf) Examination Manual, and start looking at what the regulators do. There are tests for compliance, marketing, steering, pricing, etc.
Remember, that your reports are also subject to regulator review, and potentially you gave them a starting point to look. Using the OCC's guide (as a guide) look at Appendix "H" "Appendix H: Using Self-Tests and Self-Evaluations to Streamline the Examination" It has some good tips.