Diversification;
Unexplained ACARS WRG msg
No, you didn't miss it!
The possible solution was the answer posited by
A33Zab to
Svarin in
AF447 - Thread No.3 , and physical evidence effectively vanished at impact.
I can only assume that as the BEA couldn't substantiate the message, and in determining it had no effect on the outcome, they decided to leave it as described in Interim Report No.2.