Expense Approval Emails duplicating certain lines and dropping others

Summary

Expense Approval Emails duplicating certain lines and dropping others

Content

We are facing this issue with Expense approval emails.. The Email notification is messing up the lines. Some lines appear twice, some lines do not appear at all. Causes a lot of confusion because, total of the lines, does not match Expense report amount. The issue appears only in Expense Reports with a large number of lines, 10 or more, although I am not sure what is the tipping point.

To make matters worse, the issue is only affecting senior executives because they at the heavy travelers with longest expense reports, adding to the sensitivity of the matter. We have a long running SR open with Oracle but have not had any resolution. We have faced this issue in R12 and R13.